All-routines-available-in-Delphi-6-100kb


            Title: All routines available in Delphi 6 (100kb)
Question: How many times do you make a routine that you find later that already exist as part of Delphi units?
Answer:
Many routines to work with date/time, strings, files, math are already present
in Delphi units. Through the versions many new routines are added. So is always 
good take a look to Delphi's help file to try find out what are the new ones.
I really advice you to take a look to this list, because you'll find some 
interesting routines.
The categories available are :
* Action support (4)
* Application-level information (16)
* Arithmetic routines (37)
* Backward compatibility routines (14)
* BCD support (3)
* BiDiMode support routines (1)
* Business and finance routines (12)
* Character manipulation routines (3)
* Character set conversions (14)
* Clipboard routines (2)
* COM utilities (44)
* Command line utilities (4)
* Comparison routines (3)
* Complex numbers (39)
* Component registration routines (3)
* Cursor management routines (4)
* Data Dictionary routines (22)
* Database routines (18)
* Date/time routines (177)
* Design tool registration routines (4)
* Dialog and message routines (20)
* Drag and Drop utilities (1)
* Dynamic allocation routines (6)
* Exception handling routines (18)
* File management routines (34)
* File name utilities (18)
* Floating point conversion routines (9)
* Flow control routines (6)
* FPU control (10)
* Geometric routines (7)
* Graphics utilities (24)
* Help Hint routines (2)
* HTTP utilities (11)
* I/O routines (19)
* Interface support routines (2)
* Maximum and minimum values (10)
* MBCS routines (1)
* MBCS utilities (15)
* Measurement conversion routines (58)
* Memory management routines (12)
* Menu support routines (13)
* Miscellaneous routines (23)
* Mouse handling utilities (4)
* Multi-tier support (9)
* Numeric formatting routines (6)
* Ordinal routines (5)
* Package support routines (11)
* Pointer and address routines (3)
* Printer support (2)
* Program control (1)
* Property category routines (3)
* Qt / CLX conversion routines (4)
* Random number routines (6)
* Set handling routines (2)
* Statistical routines (17)
* Streaming utilities (30)
* String formatting routines (9)
* String handling routines (66)
* String handling routines (null-terminated) (30)
* Termination procedure support (3)
* Text file routines (12)
* Thread management routines (6)
* Trigonometry routines (30)
* Type conversion routines (19)
* Unicode routines (3)
* Variant support routines (67)
* Web Services (6)
* Widget utilities (1)
* Windows controls utilities (10)
* XML support (17)
And here it is the index of teh available functions in Delphi 6 (Build 6.163):
Action support
==============
CreateAction function
- Creates an action of a specified type.
EnumRegisteredActions procedure
- Iterates through the list of registered actions, passing them to a user-defined 
callback.
RegisterActions procedure
- Registers action classes so that they appear in the list of predefined actions 
in the action list editor or customize dialog.
UnRegisterActions procedure
- Unregisters a set of actions.
Application-level information
=============================
Application variable (for standard applications)
- Represents application-level information.
CmdShow variable
- CmdShow is passed to the Windows ShowWindow WinAPI routine.
ExitProcessProc variable
- ExitProcessProc specifies the last procedure to execute before the application 
shuts down.
HInstance variable
HintWindowClass variable
- Specifies the class for the window used to display help hints.
InitProc variable
- InitProc is the last installed initialization procedure.
IsConsole variable
- Indicates whether the module was compiled as a console application.
IsLibrary variable
- Indicates whether the module is a DLL.
JITEnable variable
- Controls when the just-in-time debugger is called.
Languages function
- Lists the locales for which support is available.
MainInstance variable
- The instance handle for the main executable.
MainThreadID variable
- The instance handle for the current module's main thread of execution.
NoErrMsg variable
- Controls whether the application displays an error message when a runtime error 
occurs.
PopupList variable
- Provides centralized handling of Windows messages directed at popup menus.
Screen variable
- Represents a screen device.
Win32Platform variable
- Specifies the Win32 platform identifier.
Arithmetic routines
===================
Abs function
- Returns an absolute value.
Ceil function
- Rounds variables up toward positive infinity.
CompareValue function
- Returns the relationship between two numeric values.
DivMod procedure
- Returns the result of an integer division, including the remainder.
EnsureRange function
- Returns the closest value to a specified value within a specified range.
Exp function
- Returns the exponential of X.
Floor function
- Rounds variables toward negative infinity.
Frac function
- Returns the fractional part of a real number.
Frexp procedure
- Separates the Mantissa and Exponent of X
Infinity constant
- Represents positive infinity.
InRange function
- Indicates whether a value falls within a specified range.
Int function
- Returns the integer part of a real number.
IntPower function
- Calculates the integral power of a base value.
IsInfinite function
- Indicates when a variable or expression represents an infinite value.
IsNan function
- Indicates when a variable or expression does not evaluate to a numeric value.
IsZero function
- Indicates when a floating-point variable or expression evaluates to zero, or 
very close to zero.
Ldexp function
- Calculates X * (2**P)
Ln function
- Returns the natural log of a real expression.
LnXP1 function
- Returns the natural log of (X+1)
Log10 function
- Calculates log base 10.
Log2 function
- Calculates log base 2.
LogN function
- Calculates the log of X for a specified base.
Max function
- Returns the greater of two numeric values.
Min function
- Returns the lesser of two numeric values.
NaN constant
- Represents a value that is not a number.
NegInfinity constant
- Represents negative infinity.
Pi function
- Returns 3.1415926535897932385.
Poly function
- Evaluates a uniform polynomial of one variable at the value X.
Power function
- Raises Base to any power.
Round function
- Returns the value of X rounded to the nearest whole number.
RoundTo function
- Rounds a floating-point value to a specified digit or power of ten using 
Bankers rounding.
SameValue function
- Indicates whether two floating-point values are (approximately) equal.
Sign function
- Indicates whether a numeric value is positive, negative, or zero.
SimpleRoundTo function
- Rounds a floating-point value to a specified digit or power of ten using 
asymmetric arithmetic rounding.
Sqr function
- Returns the square of a number.
Sqrt function
- Returns the square root of X.
Trunc function
- Truncates a real number to an integer.
Backward compatibility routines
===============================
AddExitProc procedure
- Add procedure to exit list.
AppendStr procedure
- Appends a dynamically allocated string to an existing string.
AssignStr procedure
- Assigns a new dynamically allocated string to a specified pointer.
Close procedure
- Terminates the association between a file variable and an external file.
DisposeStr procedure
- Disposes of a string pointer that was allocated using NewStr.
ExitCode variable
- Contains the application's exit code.
LoadStr function
- Loads a string from the application's executable file.
NewStr function
- Allocates a string on the heap.
StrAlloc function
- Allocates a buffer for a null-terminated string and returns a pointer to its 
first character.
StrBufSize function
- Returns the maximum number of characters that can be stored in a buffer 
allocated by StrAlloc.
StrDispose procedure
- Disposes of a string.
StrNew function
- Allocates space on and copies a string to the heap; returning a pointer to the 
string.
StrPas function
- Converts null-terminated string to a Pascal string.
Swap function
- Exchanges high order byte with the low order byte of an integer or word.
BCD support
===========
NullBcd constant
- Adds two TBcd values.
StrToBcd function
- Converts a string to the corresponding binary-coded decimal (BCD) value.
TryStrToBcd function
- Converts a string to the corresponding binary-coded decimal (BCD) value.
BiDiMode support routines
=========================
DBUseRightToLeftAlignment function
- Indicates whether a data-aware controls alignment is reversed to a right-to-left 
mode.
Business and finance routines
=============================
DoubleDecliningBalance function
- Calculates the depreciation of an asset using the double-declining balance 
method.
FutureValue function
- Calculates the future value of an investment.
InterestPayment function
- Calculates the interest portion of a loan payment.
InterestRate function
- Returns the interest rate required to increase PresentValue to FutureValue.
InternalRateOfReturn function
- Calculates the internal rate of return for an investment.
NetPresentValue function
- Calculates the current value from an array of estimated cash flow values.
NumberOfPeriods function
- Returns the number of payment periods for an investment.
Payment function
- Calculates a fully amortized payment.
PeriodPayment function
- Returns the principal amount from a full payment.
PresentValue function
- Calculates the present value of an investment.
SLNDepreciation function
- Returns the straight-line depreciation allowance of an asset.
SYDDepreciation function
- Calculates depreciation for an asset.
Character manipulation routines
===============================
Chr function
- Returns the character for a specified ASCII value.
FillChar procedure
- Fills contiguous bytes with a specified value.
UpCase function
- Converts a character to uppercase.
Character set conversions
=========================
AnsiToUtf8 function
- Converts a string encoded in Ansi to UTF-8.
PUCS4Chars function
- Converts a UCS4 string to an null-terminated array of UCS4 characters.
StringToWideChar function
- Returns a UNICODE string from a Pascal string.
UCS4StringToWideString function
- Converts a string of 4-byte Unicode characters into a WideString value.
UnicodeToUtf8 function
- Converts a string of Unicode characters into a UTF-8 string.
Utf8Decode function
- Converts a UTF8 string to a Unicode string (WideString).
Utf8Encode function
- Converts a WideString value to a UTF8 string.
Utf8ToAnsi function
- Converts a UTF8 string to a string of Ansi characters.
Utf8ToUnicode function
- Converts a string of UTF-8 characters to a Unicode string.
WideCharLenToString function
- Converts Unicode characters to single or multi byte character data.
WideCharLenToStrVar procedure
- WideCharLenToStrVar converts Unicode characters to single or multi byte character 
data.
WideCharToString function
- Converts null-terminated Unicode string to single or multi byte character data.
WideCharToStrVar procedure
- Converts Unicode string to a single or multi byte character data.
WideStringToUCS4String function
- Converts a WideString value to a string of 4-byte Unicode characters.
Clipboard routines
==================
Clipboard function
- Returns an instance of TClipboard.
SetClipboard function
- Replaces the single global clipboard instance with another clipboard object.
COM utilities
=============
ClassIDToProgID function
- Returns the programmatic ID for a specified class given its class ID (CLSID).
CoInitFlags variable
- Specifies the level of threading support requested for a COM server .EXE.
ComClassManager function
- Returns a TComClassManager object.
ComServer variable
- Provides class and registry information about server objects.
CreateClassID function
- CreateClassID generates a new GUID and returns it as a string.
CreateComObject function
- Instantiates a single instance of a COM object.
CreateOleObject function
- Instantiates a single instance of an Automation object.
CreateRegKey procedure
- Creates or opens a registry key that is a subkey of HKEY_CLASSES_ROOT.
CreateRemoteComObject function
- Creates a Com object on another machine and returns an IUnknown interface for it.
CreateSharedPropertyGroup function
- Returns the interface for a SharedPropertyGroup that allows MTS objects within 
a server process to share state.
CreateTransactionContextEx function
- Returns an interface for a new shared property group manager that creates and 
coordinates shared properties of MTS objects.
CreateVCLComObjectProc variable
- Specifies a procedure that creates a COM object associated with a component.
DeleteRegKey procedure
- Deletes a single key that is a subkey of HKEY_CLASSES_ROOT from the system 
registry.
DLLCanUnloadNow function
- Tells Windows whether it can unload the in-process server exporting this function.
DllGetClassObject function
- Obtains a class factory for an ActiveX object when the ActiveX object resides 
in an in-process ActiveX server (DLL).
DllRegisterServer function
- Registers an in-process ActiveX server in the current module within the system 
registry.
DllUnregisterServer function
- Unregisters an OLE automation server in the current module with the system 
registry.
EmptyParam variable
- Specifies that an optional parameter on a dual interface is not used.
EnumDispatchProperties procedure
- Fills a TStringList will all the property names and DispIDs in a specified 
IDispatch interface.
FontToOleFont function
- Returns a Variant containing an IFontDispatch interface that represents a TFont 
object.
GetActiveOleObject function
- Retrieves a reference to an IDispatch interface to a currently running, registered 
COM object.
GetDispatchPropValue function
- Returns the value of a property on an IDispatch interface.
GetOleFont procedure
- Creates an OLE font object that is directly mapped to a native TFont.
GetOlePicture procedure
- Creates an OLE picture object that is directly mapped to a native TPicture.
GetOleStrings procedure
- Implements a TStrings object as an IStrings interface for use by OLE objects.
GetRegStringValue function
- Retrieves a value stored under a subkey of HKEY_CLASSES_ROOT from the system 
registry.
InterfaceConnect procedure
- Connects an IConnectionPoint interface.
InterfaceDisconnect procedure
- Disconnects an IConnectionPoint interface connection that was previously made 
by the InterfaceConnect procedure.
OleCheck procedure
- Throws an EOleSysError exception if the result code indicates an error.
OleError procedure
- Raises an EOleSysError exception.
OleFontToFont procedure
- Fills in a TFont structure to represent an IFontDispatch.
OleStrToString function
- Copies data received from a COM interface to a string.
OleStrToStrVar procedure
- Copies a string from its COM representation to an existing Pascal string.
ParkingWindow function
- Provides a temporary parent window for activeX controls when the container is 
not ready to act as a parent.
ProgIDToClassID function
- Returns the class ID (CLSID) TGUID that corresponds to the string specified as 
the ProgID parameter.
RegisterAsService procedure
- Registers an in-process COM server with the operating system.
SafeRef function
- Returns a reference to a transactional object that is safe to pass outside its 
context.
SetDispatchPropValue procedure
- Sets the value of a property on an IDispatch interface.
SetOleFont procedure
- Connects an OLE font object to a TFont object and copies the properties of the 
OLE font object to the TFont.
SetOlePicture procedure
- Connects an OLE picture object to a TPicture object, and copies the properties 
of the OLE picture object to the TPicture.
SetOleStrings procedure
- Uses an IStrings interface to assign the contents of a TStrings object.
StringToOleStr function
- Allocates memory and copies a string to the OLE format.
Supports function
- Indicates whether a given object or interface supports a specified interface.
VarDispProc variable
- Provides the support for IDispatch-based Automation.
Command line utilities
======================
CmdLine variable
- CmdLine is a pointer to the command-line arguments specified when the application 
is invoked.
FindCmdLineSwitch function
- Determines whether a string was passed as a command line argument to the 
application.
ParamCount function
- Returns the number of parameters passed on the command line.
ParamStr function
- Returns a specified parameter from the command-line.
Comparison routines
===================
CollectionsEqual function
- Compares the contents of two collections.
CompareMem function
- Performs a binary comparison of two memory images.
EqualRect function
- Indicates whether two TRect values are the same.
Complex numbers
===============
ComplexNumberSymbol variable
- Indicates the symbol used to represent the imaginary part of a complex number.
ComplexNumberSymbolBeforeImaginary variable
- Indicates the placement of the symbol that represents the imaginary part of a 
complex number.
VarComplexAbs function
- Returns the absolute value of a complex number.
VarComplexAbsSqr function
- Returns the square of the absolute value of a complex number.
VarComplexAngle function
- Returns the angle made by a complex number.
VarComplexArcCos function
- Returns the inverse cosine of a complex number.
VarComplexArcCosH function
- Returns the hyperbolic inverse cosine of a complex number.
VarComplexArcCot function
- Returns the inverse cotangent of a complex number.
VarComplexArcCsc function
- Returns the hyperbolic inverse cotangent of a complex number.
VarComplexArcCscH function
- Returns the hyperbolic inverse cosecant of a complex number.
VarComplexArcSec function
- Returns the inverse secant of a complex number.
VarComplexArcSecH function
- Returns the hyperbolic inverse secant of a complex number.
VarComplexArcSin function
- Returns the inverse sine of a complex number.
VarComplexArcSinH function
- Returns the hyperbolic inverse sine of a complex number.
VarComplexArcTan function
- Returns the inverse tangent of a complex number.
VarComplexArcTanH function
- Returns the hyperbolic inverse tangent of a complex number.
VarComplexConjugate function
- Returns the conjugate of a complex number.
VarComplexCos function
- Returns the cosine of a complex number.
VarComplexCosH function
- Returns the hyperbolic cosine of a complex number.
VarComplexCot function
- Returns the cotangent of a complex number.
VarComplexCreate function
- Returns the hyperbolic cotangent of a complex number.
VarComplexCsc function
- Returns the cosecant of a complex number.
VarComplexCscH function
- Returns the hyperbolic cosecant of a complex number.
VarComplexExp function
- Returns the exponential of a complex number.
VarComplexFromPolar function
- Converts a set of polar coordinates to a complex number.
VarComplexInverse function
- Returns the inverse of a complex number.
VarComplexLn function
- Returns the natural log of a complex number.
VarComplexPower function
- Returns the value of a complex number raised to a specified power.
VarComplexSec function
- Returns the secant of a complex number.
VarComplexSecH function
- Returns the hyperbolic secant of a complex number.
VarComplexSin function
- Returns the sine of a complex number.
VarComplexSinH function
- Returns the hyperbolic sine of a complex number.
VarComplexSqr function
- Returns the square of a complex number.
VarComplexSqrt function
- Returns the square root of a complex number.
VarComplexTan function
- Returns the tangent of a complex number.
VarComplexTanH function
- Returns the hyperbolic tangent of a complex number.
VarComplexTimesNegI function
- Returns the value of a complex number multiplied by i.
VarComplexTimesPosI function
- Returns the value of a complex number multiplied by i.
VarComplexToPolar procedure
- Computes the polar coordinates that correspond to a custom Variant that 
represents a complex number.
Component registration routines
===============================
RegisterComponents procedure
- Registers a set of components so that they all appear on the same page of the 
component palette.
RegisterFields procedure
- Registers a set of field components so that they appear in the Dataset designer.
RegisterNoIcon procedure
- Registers a set of components but does not add them to the component palette.
RegisterNonActiveX procedure
- Prevents a set of components from being made available to the ActiveX wizard.
Cursor management routines
==========================
CursorToIdent function
- Returns the name of the predefined constant that corresponds to a cursor.
CursorToString function
- Returns the AnsiString representation of a cursor.
GetCursorValues procedure
- Passes the name of every predefined cursor constant to a callback.
IdentToCursor function
- Translates a predefined cursor constant into a cursor.
StringToCursor function
- Returns a TCursor value given its string representation.
Data Dictionary routines
========================
AssociateAttr procedure
- Sets up an association between an attribute ID and a field ID.
CreateField function
- Creates a new field from information stored in the Data Dictionary.
DictionaryActive function
- Indicates whether there is an active Data Dictionary.
DictionaryDeactivate procedure
- Deactivates the Data Dictionary.
FindAttrID function
- Returns the ID of a specified attribute set.
FindDatabaseID function
- Returns the ID of a specified database.
FindFieldID function
- Returns the ID of a specified field.
FindTableID function
- Returns the ID of a specified table.
GetAttrID function
- Returns the ID of the attribute set associated with a field.
GetAttrName function
- Returns the name of an attribute set given its ID.
GetAttrNames procedure
- Executes a callback for every attribute set name.
GetControlClass function
- Returns the class associated with an attribute set.
HasConstraints function
- Indicates whether there are any data constraints for a dataset stored in the 
Data Dictionary.
IsNullID function
- Indicates whether a Data Dictionary Identifier is null.
NewAttr function
- Creates an attribute set based on the properties of a field component.
QualifyTableName function
- Returns the fully qualified name of a table in the Data Dictionary.
QualifyTableNameByName function
- Returns the fully qualified name of a table in the Data Dictionary.
UnassociateAttr procedure
- Removes the association between an attribute ID and a field ID.
UpdateAttr procedure
- Updates an attribute set to match the properties of a field component.
UpdateConstraints procedure
- Replaces all imported constraints for a dataset with the current constraints 
in the Data Dictionary.
UpdateDataset procedure
- Updates a dataset and all its field components to match the Data Dictionary.
UpdateField procedure
- Updates a field component to match the associated attribute set in the Data 
Dictionary.
Database routines
=================
AnsiToNative function
- Converts a string from the ANSI character set to the character set associated 
with a given locale.
Check procedure
- Converts a string from the ANSI character set to the character set associated 
with a given locale.
DBbiError procedure
- Creates and raises an EDBEngineError exception for an error code returned by 
the Borland Database Engine (BDE).
ExtractFieldName function
- Returns the next name in a semicolon-delimited string of field names.
FreeProcParams procedure
- Frees a list of procedure parameters that is allocated by GetProcedureParams.
GetDriverNames procedure
- Populates a string list with the names of all available dbExpress drivers.
GetFieldProperty function
- Returns a TField object for a dataset and data control.
LoadParamListItems procedure
- Fills a TParams object with information from a list of parameter descriptors.
NativeCompareStr function
- Compares strings based on a database locale case sensitively.
NativeCompareStrBuf function
- Compares null-terminated strings based on a database locale case sensitively.
NativeCompareText function
- Compares strings based on a database locale without case sensitivity.
NativeCompareTextBuf function
- Compares null-terminated strings based on a database locale and is not case 
sensitive.
NativeToAnsi function
- Converts a string from the character set of the given locale to the ANSI 
character set.
NativeToAnsiBuf procedure
- Converts a string from the character set of a specified locale into the ANSI 
character set.
PasswordDialog function
- Displays a dialog box that prompts the user for the password of a local 
password-protected table.
Session variable
- Maintains database components used by an application.
Sessions variable
- Provides access to TSessionList methods and properties.
VarTypeToDataType function
- Returns the field type value that most closely corresponds to a Variant type.
Date/time routines
==================
CheckSqlTimeStamp procedure
- Checks whether a TSQLTimeStamp value represents a valid date and time.
CompareDate function
- Indicates the relationship between the date portions of two TDateTime values.
CompareDateTime function
- Indicates the relationship between two TDateTime values.
CompareTime function
- Indicates the relationship between the time portions of two TDateTime values.
CurrentYear function
- Returns the current year.
Date function
- Returns the current date.
DateDelta constant
- Specifies the difference between TDateTime and TTimeStamp values.
DateOf function
- Strips the time portion from a TDateTime value.
DateTimeToFileDate function
- Converts a TDateTime object to an OS timestamp.
DateTimeToSQLTimeStamp function
- Converts a TDateTime value to a TSQLTimeStamp value.
DateTimeToStr function
- Converts a TDateTime value to a string.
DateTimeToString procedure
- Converts a TDateTime value to a string using a specified Format.
DateTimeToSystemTime procedure
- Converts a TDateTime value into the Win32 API's TSystemTime type.
DateTimeToTimeStamp function
- Converts a TDateTime value into the corresponding TTimeStamp value.
DateToStr function
- Converts a TDateTime value to a string.
Day of week constants
- Provide symbolic constants for ISO 8601-compliant day of the week values.
DayOf function
- Returns the day of the month represented by a TDateTime value.
DayOfTheMonth function
- Returns the day of the month represented by a TDateTime value.
DayOfTheWeek function
- Returns the day of the week represented by a TDateTime value.
DayOfTheYear function
- Returns the number of days between a specified TDateTime value and December 31 
of the previous year.
DayOfWeek function
- Returns the day of the week for a specified date.
DaysBetween function
- Returns the number of whole days between two specified TDateTime values.
DaysInAMonth function
- Returns the number of days in a specified month of a specified year.
DaysInAYear function
- Returns the number of days in a specified year.
DaysInMonth function
- Returns the number of days in the month of a specified TDateTime value.
DaysInYear function
- Returns the number of days in the year of a specified TDateTime value.
DaySpan function
- Returns the number of days (including fractional days) between two specified 
TDateTime values.
DecodeDate procedure
- Returns Year, Month, and Day values for a TDateTime value.
DecodeDateDay procedure
- Returns the year and day of the year for a specified TDateTime value.
DecodeDateFully function
- Returns Year, Month, and Day, and Day-of-Week values for a TDateTime value.
DecodeDateMonthWeek procedure
- Returns the year, month, week of the month, and day of the week for a specified 
TDateTime value.
DecodeDateTime procedure
- Returns Year, Month, Day, Hour, Minute, Second, and MilliSecond values for a 
TDateTime value.
DecodeDateWeek procedure
- Returns the year, week of the year, and day of the week for a specified 
TDateTime value.
DecodeDayOfWeekInMonth procedure
- For a given TDateTime value, returns the year, month, day of the week, and the
 count of that day of the week in the month.
DecodeTime procedure
- Breaks a TDateTime value into hours, minutes, seconds, and milliseconds.
EncodeDate function; TryEncodeDate function
- Returns a TDateTime value that represents a specified Year, Month, and Day.
EncodeDateDay function
- Returns a TDateTime value that represents a specified day of the year for a 
specified year.
EncodeDateMonthWeek function
- Returns a TDateTime objectvalue that represents a specified day of a specified 
week in a specified month and year.
EncodeDateTime function
- Returns a TDateTime value that represents a specified year, month, day, hour, 
minute, second, and millisecond.
EncodeDateWeek function
- Returns a TDateTime value that represents a specified day of a specified week 
in a specified year.
EncodeDayOfWeekInMonth function
- Returns a TDateTime value that represents a specified occurrence of a day of 
the week within a specified month and year.
EncodeTime function;TryEncodeTime function
- Returns a TDateTime value for a specified Hour, Min, Sec, and MSec.
EndOfADay function
- Returns a TDateTime value that represents the last millisecond of a specified 
day.
EndOfAMonth function
- Returns a TDateTime value that represents the last millisecond of the last day 
of a specified month.
EndOfAWeek function
- Returns a TDateTime value that represents the last millisecond of a specified 
day of a specified week.
EndOfAYear function
- Returns a TDateTime value that represents the last millisecond of a specified 
year.
EndOfTheDay function
- Returns a TDateTime value that represents the last millisecond of the day 
identified by a specified TDateTime value.
EndOfTheMonth function
- Returns a TDateTime value that represents the last millisecond of the last day 
of the month identified by a specified TDateTime value.
EndOfTheWeek function
- Returns a TDateTime value that represents the last millisecond of the last day 
of the week identified by a specified TDateTime value.
EndOfTheYear function
- Returns a TDateTime value that represents the last millisecond of the last day 
of the year identified by a specified TDateTime value.
FormatDateTime function
- Formats a TDateTime value.
HourOf function
- Returns the hour of the day represented by a TDateTime value.
HourOfTheDay function
- Returns the hour of the day represented by a TDateTime value.
HourOfTheMonth function
- Returns the number of hours between a specified TDateTime value and 12:00 AM of 
the first day of the month.
HourOfTheWeek function
- Returns the number of hours between a specified TDateTime value and 12:00 AM of 
the first day of the week.
HourOfTheYear function
- Returns the number of hours between a specified TDateTime value and 12:00 AM of 
the first day of the year.
HoursBetween function
- Returns the number of whole hours between two specified TDateTime values.
HourSpan function
- Returns the number of Hours (including fractional Hours) between two specified 
TDateTime values.
HoursPerDay constant;MinsPerDay constant;SecsPerDay constant;MSecsPerDay constant
- Values useful in time calculations.
IncAMonth procedure
- Increments date data by one month.
IncDay function
- Returns a date shifted by a specified number of days.
IncHour function
- Returns a date/time value shifted by a specified number of hours.
IncMilliSecond function
- Returns a date/time value shifted by a specified number of milliseconds.
IncMinute function
- Returns a date/time value shifted by a specified number of minutes.
IncMonth function
- Returns a date shifted by a specified number of months.
IncSecond function
- Returns a date/time value shifted by a specified number of seconds.
IncWeek function
- Returns a date shifted by a specified number of weeks.
IncYear function
- Returns a date shifted by a specified number of years.
IsInLeapYear function
- Indicates whether a specified TDateTime value occurs in a leap year.
IsLeapYear function
- Indicates whether a specified year is a leap year.
IsPM function
- Indicates whether the time portion of a specified TDateTime value occurs after 
noon.
IsSameDay function
- Indicates whether a specified TDateTime value occurs on a the same day as a 
criterion date.
IsToday function
- Indicates whether a specified TDateTime value occurs on the current date.
IsValidDate function
- Indicates whether a specified year, month, and day represent a valid date.
IsValidDateDay function
- Indicates whether a specified year and day of the year represent a valid date.
IsValidDateMonthWeek function
- Indicates whether a specified year, month, week of the month, and day of the 
week represent a valid date.
IsValidDateTime function
- Indicates whether a specified year, month, day, hour, minute, second, and 
millisecond represent a valid date and time.
IsValidDateWeek function
- Indicates whether a specified year, week of the year, and day of the week 
represent a valid date.
IsValidTime function
- Indicates whether a specified hour, minute, second, and millisecond represent 
a valid date and time.
MilliSecondOf function
- Returns the millisecond of the second represented by a TDateTime value.
MilliSecondOfTheDay function
- Returns the number of milliseconds between a specified TDateTime value and 
12:00:00:00 AM of the same day.
MilliSecondOfTheHour function
- Returns the number of milliseconds between a specified TDateTime value and the 
beginning of the same hour.
MilliSecondOfTheMinute function
- Returns the number of milliseconds between a specified TDateTime value and the 
beginning of the same minute.
MilliSecondOfTheMonth function
- Returns the number of milliseconds between a specified TDateTime value and 
12:00:00:00 AM of the first day of the month.
MilliSecondOfTheSecond function
- Returns the millisecond of the second represented by a TDateTime value.
MilliSecondOfTheWeek function
- Returns the number of milliseconds between a specified TDateTime value and 
12:00:00:00 AM of the first day of the week.
MilliSecondOfTheYear function
- Returns the number of milliseconds between a specified TDateTime value and 
12:00:00:00 AM of the first day of the year.
MilliSecondsBetween function
- Returns the number of milliseconds between two specified TDateTime values.
MilliSecondSpan function
- Returns the number of milliseconds between two specified TDateTime values.
MinuteOf function
- Returns the minute of the hour represented by a TDateTime value.
MinuteOfTheDay function
- Returns the number of minutes between a specified TDateTime value and 12:00 AM 
of the same day.
MinuteOfTheHour function
- Returns the number of minutes between a specified TDateTime value and the 
beginning of the same hour.
MinuteOfTheMonth function
- Returns the number of minutes between a specified TDateTime value and 12:00 AM 
of the first day of the month.
MinuteOfTheWeek function
- Returns the number of minutes between a specified TDateTime value and 12:00 AM 
of the first day of the week.
MinuteOfTheYear function
- Returns the number of minutes between a specified TDateTime value and 12:00 AM 
of the first day of the year.
MinutesBetween function
- Returns the number of minutes between two specified TDateTime values.
MinuteSpan function
- Returns the number of minutes, including fractions thereof, between two 
specified TDateTime values.
MonthOf function
- Returns the month of the year represented by a TDateTime value.
MonthOfTheYear function
- Returns the month of the year represented by a TDateTime value.
MonthsBetween function
- Returns the approximate number of months between two specified TDateTime values.
MonthSpan function
- Returns the approximate number of months (including fractions thereof) between 
two specified TDateTime values.
MSecsToTimeStamp function
- Converts a specified number of milliseconds into a TTimeStamp value.
Now function
- Returns the current date and time.
NthDayOfWeek function
- Returns which occurence of its weekday a specified TDateTime value represents.
NullSQLTimeStamp constant
- Represents a NULL TSQLTimeStamp value.
RecodeDate function
- Replaces the date portion of a specified TDateTime value.
RecodeDateTime function
- Selectively replaces parts of a specified TDateTime value.
RecodeDay function
- Replaces the day of the month for a specified TDateTime value.
RecodeHour function
- Replaces the hour of the day for a specified TDateTime value.
RecodeLeaveFieldAsIs constant
- Identifies a parameter to RecodeDateTime that should not be used.
RecodeMilliSecond function
- Replaces the millisecond of the second for a specified TDateTime value.
RecodeMinute function
- Replaces the minute of the hour for a specified TDateTime value.
RecodeMonth function
- Replaces the month of the year for a specified TDateTime value.
RecodeSecond function
- Replaces the second of the minute for a specified TDateTime value.
RecodeTime function
- Replaces the time portion of a specified TDateTime value.
RecodeYear function
- Replaces the year for a specified TDateTime value.
ReplaceDate procedure
- Replaces the date portion of a TDateTime value with a specified date.
ReplaceTime procedure
- Replaces the time portion of a TDateTime value with a specified time.
SameDate function
- Indicates whether two TDateTime values represent the same year, month, and day.
SameDateTime function
- Indicates whether two TDateTime values represent the same year, month, day, hour, 
minute, second, and millisecond.
SameTime function
- Indicates whether two TDateTime values represent the same time of day, ignoring 
the date portion.
SecondOf function
- Returns the second of the minute represented by a TDateTime value.
SecondOfTheDay function
- Returns the number of seconds between a specified TDateTime value and 12:00:00 
AM of the same day.
SecondOfTheHour function
- Returns the number of seconds between a specified TDateTime value and the 
beginning of the same hour.
SecondOfTheMinute function
- Returns the number of seconds between a specified TDateTime value and the 
beginning of the same minute.
SecondOfTheMonth function
- Returns the number of seconds between a specified TDateTime value and 12:00:00 
AM on the first day of the month.
SecondOfTheWeek function
- Returns the number of seconds between a specified TDateTime value and 12:00:00 
AM of the first day of the week.
SecondOfTheYear function
- Returns the number of seconds between a specified TDateTime value and 12:00:00 
AM on the first day of the year.
SecondsBetween function
- Returns the number of seconds between two specified TDateTime values.
SecondSpan function
- Returns the number of seconds (including fractions thereof) between two 
specified TDateTime values.
SQLDayOfWeek function
- Indicates the day of the week when a specified TSQLTimeStamp value occurs.
SQLTimeStampToDateTime function
- Converts a TSQLTimeStamp value to a TDateTime value.
SQLTimeStampToStr function
- Converts a TSQLTimeStamp value to a string.
StartOfADay function
- Returns a TDateTime value that represents 12:00:00:00 AM on a specified day.
StartOfAMonth function
- Returns a TDateTime value that represents 12:00:00:00 AM on the first day of a 
specified month.
StartOfAWeek function
- Returns a TDateTime value that represents 12:00:00:00 AM on a specified day of 
a specified week.
StartOfAYear function
- Returns a TDateTime value that represents 12:00:00:00 AM on the first day of a 
specified year.
StartOfTheDay function
- Returns a TDateTime value that represents 12:00:00:00 AM on the day identified 
by a specified TDateTime value.
StartOfTheMonth function
- Returns a TDateTime value that represents 12:00:00:00 AM on the first day of the 
month identified by a specified TDateTime value.
StartOfTheWeek function
- Returns a TDateTime value that represents 12:00:00:00 AM on the first day of the 
week identified by a specified TDateTime value.
StartOfTheYear function
- Returns a TDateTime value that represents 12:00:00:00 AM on the first day of the 
year identified by a specified TDateTime value.
StrToDate function
- Converts a string to a TDateTime value.
StrToDateTime function
- Converts a string to a TDateTime value.
StrToSQLTimeStamp function
- Converts a string to a TSQLTimeStamp value.
StrToTime function
- Converts a string to a TDateTime value.
SystemTimeToDateTime function
- Converts a _SYSTEMTIMETSystemTime value into a TDateTime objectvalue.
Time function
- Returns the current time.
TimeOf function
- Strips the date portion from a TDateTime value.
TimeStampToDateTime function
- Converts a TTimeStamp value into the corresponding TDateTime value.
TimeStampToMSecs function
- Converts a TTimeStamp value into an absolute number of milliseconds.
TimeToStr function
- Returns a string that represents a TDateTime value.
Today function
- Returns a TDateTime value that represents the current date.
Tomorrow function
- Returns a TDateTime value that represents the following day.
TryEncodeDateDay function
- Calculates the TDateTime value that represents a specified day of the year for 
a specified year.
TryEncodeDateMonthWeek function
- Calculates the TDateTime value that represents a specified day of a specified 
week in a specified month and year.
TryEncodeDateTime function
- Calculates the TDateTime value that represents a specified year, month, day, 
hour, minute, second, and millisecond.
TryEncodeDateWeek function
- Calculates the TDateTime value that represents a specified day of a specified 
week in a specified year.
TryEncodeDayOfWeekInMonth function
- Calculates a TDateTime value that represents a specified occurrence of a day 
of the week within a specified month and year.
TryRecodeDateTime function
- Selectively replaces parts of a specified TDateTime value.
TryStrToSQLTimeStamp function
- Converts a string to a TSQLTimeStamp value.
UnixDateDelta constant
- Specifies the difference between TDateTime and TIME_T values.
WeekOf function
- Returns the week of the year represented by a TDateTime value.
WeekOfTheMonth function
- Returns the week of the month represented by a TDateTime value.
WeekOfTheYear function
- Returns the week of the year represented by a TDateTime value.
WeeksBetween function
- Returns the number of whole weeks between two specified TDateTime values.
WeeksInAYear function
- Returns the number of weeks in a specified year.
WeeksInYear function
- Returns the number of weeks in the year of a specified TDateTime value.
WeekSpan function
- Returns the number of weeks (including fractional weeks) between two specified 
TDateTime values.
WithinPastDays function
- Indicates whether two dates are within a specified number of days of each other.
WithinPastHours function
- Indicates whether two date/time values are within a specified number of hours 
of each other.
WithinPastMilliSeconds function
- Indicates whether two date/time values are within a specified number of 
milliseconds of each other.
WithinPastMinutes function
- Indicates whether two date/time values are within a specified number of minutes 
of each other.
WithinPastMonths function
- Indicates whether two date/time values are within a specified number of months 
of each other.
WithinPastSeconds function
- Indicates whether two date/time values are within a specified number of seconds 
of each other.
WithinPastWeeks function
- Indicates whether two date/time values are within a specified number of weeks 
of each other.
WithinPastYears function
- Indicates whether two date/time values are within a specified number of years 
of each other.
YearOf function
- Returns the year represented by a TDateTime value.
YearsBetween function
- Returns the approximate number of years between two specified TDateTime values.
YearSpan function
- Returns the approximate number of years (including fractions thereof) between 
two specified TDateTime values.
Yesterday function
- Returns a TDateTime value that represents the preceding day.
Design tool registration routines
=================================
GReferenceExpandable variable
- Indicates whether the Object Inspector treats component properties as 
expandable subproperties.
GShowReadOnlyProps variable
- Indicates whether the Object Inspector displays published read-only properties.
RegisterComponentEditor procedure
- Registers an editor so that it is available at design time.
RegisterLibraryExpert procedure
- Registers an expert so that it is installed when a package is installed.
RegisterPropertyEditor procedure
- Allows a component to bring up a custom property editor from the Object 
Inspector.
Dialog and message routines
============================
CreateMessageDialog function
- Creates a specified message dialog.
ForceCurrentDirectory variable
- Indicates whether open and save dialogs should display the current directory 
if no initial directory is assigned.
InputBox function
- Displays an input dialog box that lets the user enter a string.
InputQuery function
- Displays an input dialog box that lets the user enter a string.
IsAbortResult function
- Checks the return value from a modal form dialog and indicates whether the user 
selected Abort or Cancel.
IsAnAllResult function
- Checks the return value from a modal form dialog and indicates whether the user 
selected All, Yes to All, or No to All.
IsNegativeResult function
- Checks the return value from a modal form dialog and indicates whether the user 
selected No or No to All.
IsPositiveResult function
- Checks the return value from a modal form dialog and indicates whether the user 
selected Ok, Yes, Yes to All, or All.
LoginDialog function
- Brings up the database Login dialog to allow the user to connect to a database 
server.
LoginDialogEx function
- Brings up the database Login dialog to allow the user to connect to a database 
server.
MessageDlg function
- Displays a message dialog box in the center of the screen.
MessageDlgPos function
- Displays a message dialog box at the specified screen coordinates.
MessageDlgPosHelp function
- Displays a message dialog box whose help is supplied in a named help file.
PromptForFileName function
- Displays an open or save dialog, where the user can specify a file name.
RemoteLoginDialog function
- Brings up the database Login dialog to allow the user to connect to a database 
server.
SelectDirectory function
- Brings up a dialog to allow the user to enter a directory name.
ShowMessage procedure
- Displays a message box with an OK button.
ShowMessageFmt procedure
- Displays a message box with a formatted message.
ShowMessagePos procedure
- Displays a message box at a specified location.
StripAllFromResult function
- Converts a TModalResult value from a constant that refers to all to the 
corresponding simple constant.
Drag and Drop utilities
=======================
DragImageList function
- Returns list of drag images
Dynamic allocation routines
===========================
Dispose procedure
- Releases memory allocated for a dynamic variable.
Finalize procedure
- Uninitializes a dynamically allocated variable.
FreeMem procedure
- Disposes of a dynamic variable of a given size.
GetMem procedure
- Creates a dynamic variable and a pointer to the address of the block.
Initialize procedure
- Initializes a dynamically allocated variable.
New procedure
- Creates a new dynamic variable and sets P to point to it.
Exception handling routines
===========================
AcquireExceptionObject function
- Allows an exception object to persist after the except clause exits.
DatabaseError procedure
- Creates and raises an EDatabaseError exception.
DatabaseErrorFmt procedure
- Creates and raises an EDatabaseError exception with a formatted error message.
ErrorAddr variable
- Contains the address of a statement causing a runtime error.
ErrorProc variable
- Points to the RTL run-time error handler.
ExceptAddr function
- Returns the address at which the current exception was raised.
ExceptionErrorMessage function
- Formats a standard error message.
ExceptObject function
- Returns a reference to the object associated with the current exception.
ExceptProc variable
- Points to the lowest-level RTL exception handler.
GetLastError function
- Returns the last error reported by an operating system API call.
OutOfMemoryError procedure
- Raises an EOutOfMemory exception.
RaiseLastOSError procedure
- Raises an exception for the last occurring OS or system library error.
RaiseLastWin32Error procedure
- Raises an exception for the last occurring Win32 error.
ReleaseExceptionObject procedure
- Decrements the reference count on an exception object that was incremented by 
a call to AcquireExceptionObject.
SetErrorProc function
- Replaces the exception handler for error messages that are received from a 
Windows socket connection.
ShowException procedure
- Displays an exception message with its physical address
SysErrorMessage function
- Converts OS error codes into strings.
Win32Check function
- Checks the return value of a Windows API call and raises an appropriate 
exception when it indicates failure.
File management routines
========================
AssignFile procedure
- Associates the name of an external file with a file variable.
ChDir procedure
- Changes the current directory.
CloseFile procedure
- Terminates the association between file variable and an external disk file.
CreateDir function
- Creates a new directory.
DeleteFile function
- Deletes a file from disk.
DirectoryExists function
- Determines whether a specified directory exists.
DiskFree function
- Returns the number of free bytes on a specified drive.
DiskSize function
- Returns the size, in bytes, of a specified drive.
File mode constants
- File mode constants are used to open and close disk files.
File open mode constants
- File open mode constants are used to control the access mode to a file or stream.
FileAge function
- Returns the OS timestamp of a file.
FileClose procedure
- Closes a specified file.
FileCreate function
- Creates a new file.
FileDateToDateTime function
- Converts an OS timestamp value to TDateTime value.
FileExists function
- Tests if a specified file exists.
FileGetAttr function
- Returns the file attributes of FileName.
FileGetDate function
- Returns an OS timestamp for a specified file.
FileIsReadOnly function
- Report if file is read-only.
FileOpen function
- Opens a specified file using a specified access mode.
FileRead function
- Reads a specified number of bytes from a file.
FileSearch function
- Searches a specified directory path for a file.
FileSeek function
- Repositions read/write point.
FileSetAttr function
- Sets the file attributes of a specified file.
FileSetDate function
- Sets the OS time stamp for a specified file.
FileWrite function
- Writes the contents of a buffer to the current position in a file.
FindClose procedure
- Releases memory allocated by FindFirst.
FindFirst function
- Searches for the first instance of a file name with a given set of attributes 
in a specified directory.
FindNext function
- Returns the next entry matching the name and attributes specified in a previous 
call to FindFirst.
ForceDirectories function
- Creates a new directory, also creating parents as needed.
GetCurrentDir function
- Returns the name of the current directory.
GetDir procedure
- Returns the current directory for a specified drive.
RemoveDir function
- Deletes an existing empty directory.
RenameFile function
- Changes a file name.
SetCurrentDir function
- Sets the current directory.
File name utilities
===================
ChangeFileExt function
- Changes the extension of a file name.
ExcludeTrailingBackslash function
- Returns a path name without a trailing delimiter.
ExcludeTrailingPathDelimiter function
- Returns a path name without a trailing delimiter.
ExpandFileName function
- Returns the full path name for a relative file name.
ExpandUNCFileName function
- Returns the full path of a file name in UNC format, if appropriate.
ExtractFileDir function
- Extracts the drive and directory parts from FileName.
ExtractFileDrive function
- Returns the drive portion of a file name.
ExtractFileExt function
- Returns the extension portions of a file name.
ExtractFileName function
- Extracts the name and extension parts of a file name.
ExtractFilePath function
- Returns the drive and directory portions of a file name.
ExtractRelativePath function
- Returns a relative path name, relative to a specific base directory.
ExtractShortPathName function
- Converts a file name to the short 8.3 form.
IncludeTrailingBackslash function
- Ensures path name ends with delimiter
IncludeTrailingPathDelimiter function
- Ensures path name ends with delimiter.
IsPathDelimiter function
- Indicates whether the byte at position Index of a string is the path delimiter.
MatchesMask function
- Indicates whether a file name conforms to the format specified by a filter 
string.
MinimizeName function
- Shortens a fully qualified path name so that it can be drawn with a specified 
length limit.
ProcessPath procedure
- Parses a file name into its constituent parts.
Floating point conversion routines
==================================
FloatToCurr function
- Converts a floating-point value to a Currency value.
FloatToDecimal procedure
- Converts a floating-point value to a TDateTime value.
FloatToStr function
- Converts a floating point value to a string.
FloatToStrF function
- Converts a floating point value to a string, using a specified Format, Precision, 
and Digits.
FloatToText function
- Converts a floating-point value to an unterminated character string, using a 
specified Format, Precision and Digits.
FloatToTextFmt function
- Converts a floating-point value to to an unterminated character string, using 
a specified format.
FormatFloat function
- Formats a floating point value.
StrToCurr function
- Converts a string to a Currency value.
StrToFloat function
- Converts a given string to a floating-point value.
Flow control routines
=====================
Abort procedure
- Raises a silent exception.
Break procedure
- Causes the flow of control to exit a for, while, or repeat statement.
Continue procedure
- Allows the flow of control to proceed to the next iteration of for, while, or 
repeat statements.
Exit procedure
- Exits from the current procedure.
Halt procedure
- Initiates abnormal termination of a program.
RunError procedure
- Stops execution and generates a run-time error.
FPU control
===========
ClearExceptions procedure
- Clears any pending exception bits in the status word.
Default8087CW variable
- Specifies the Default 8087 control word.
Get8087CW function
- Returns the value of the 8087 code word.
GetExceptionMask function
- Returns the exception mask from the FPU control word.
GetPrecisionMode function
- Returns the FPU precision control mode.
GetRoundMode function
- Returns the FPU rounding mode.
Set8087CW procedure
- Sets both the control word in the floating point unit and the variable NoErrMsg 
declared in the system unit.
SetExceptionMask function
- Sets the exception mask on the FPU control word.
SetPrecisionMode function
- Sets the FPU precision control mode.
SetRoundMode function
- Sets the FPU rounding mode.
Geometric routines
==================
CenterPoint function
- Returns the point in the center of a rectangle.
IntersectRect function
- Returns the intersection of two rectangles
InvalidPoint function
- Indicates whether a specified point is equal to (-1,-1).
IsRectEmpty function
- Indicates wither a specified rectangle has a positive width and height.
PointsEqual function
- Indicates whether two points have the same coordinates.
PtInRect function
- Indicates whether a specified point lies inside a specified rectangle.
UnionRect function
- Returns the union of two rectangles
Graphics utilities
==================
CharsetToIdent function
- Obtains the name of a character set.
ColorToIdent function
- Provides the symbolic name of a TColor value.
ColorToRGB function
- Converts a TColor value into an RGB representation of the color.
ColorToString function
- Returns a string that represents the name of a TColor value.
CopyPalette function
- Creates a new palette object that matches an existing palette.
CreateGrayMappedBmp function
- Remaps the standard gray colors in a bitmap with the system grays.
CreateGrayMappedRes function
- Remaps the standard gray colors in a bitmap resource with the system grays.
CreateMappedBmp function
- Changes the color table in a bitmap.
CreateMappedRes function
- Changes the color table in a bitmap resource.
DDBsOnly variable
- Determines whether bitmap handles are created as device-dependent bitmaps (DDB).
Frame3D procedure
- Draws a three dimensional frame on a canvas.
GetCharsetValues procedure
- Passes the name of every predefined character set string to a callback function.
GetColorValues procedure
- Passes the name of every predefined color constant to a callback function.
GetDefFontCharSet function
- Returns the character set of the default system font.
GetDIB function
- Returns the info header and image for a device independent bitmap.
GetDIBSizes procedure
- Returns the size of the info header and of the image for a device independent 
bitmap.
GraphicExtension function
- Returns the default file-name extension of a graphics object.
GraphicFileMask function
- Returns a file mask that specifies the valid extensions for a graphic class.
GraphicFilter function
- Returns a file filter compatible with the Filter property of an Open or Save 
dialog.
IdentToCharset function
- Translates the name of a character set constant to the corresponding character 
set.
IdentToColor function
- Translates the name of a color constant to the corresponding TColor value.
MoveWindowOrg procedure
- Changes the location of the point (0,0) within a device context.
StringToColor function
- Translates a string representation of a color to the corresponding TColor value.
SystemPalette16 variable
- Contains the 16 VGA system colors.
Help Hint routines
==================
GetLongHint function
- Returns the second part of a two-part hint string.
GetShortHint function
- Returns the first part of a two-part hint string.
HTTP utilities
==============
Application variable (for Web server applications)
- Represents a web server application for an Internet project.
DosPathToUnixPath function
- Converts a Unix-compatible path specification to a Dos-compatible path specification.
ExtractHeaderFields procedure
- Parses a multi-valued string into its constituent fields.
ExtractHTTPFields procedure
- Parses a multi-valued string into its constituent fields.
GetExtensionVersion function
- Returns the name and version number of an ISAPI or NSAPI application.
HTTPDecode function
- Decodes a string that includes HTTP escape characters.
HTTPEncode function
- Converts a string into a form that contains no values that are illegal in an 
HTTP message header.
HTTPExtensionProc function
- Receives an HTTP request message for an ISAPI or NSAPI application.
ParseDate function
- Converts a TDateTime value into a string representing the month.
StatusString function
- Returns the explanatory string associated with one of the predefined HTTP 
response status codes.
UnixPathToDosPath function
- Converts a Unix-compatible path specification to a Dos-compatible path 
specification.
I/O routines
============
Append procedure
- Prepares an existing file for adding text to the end.
BlockRead procedure
- Reads one or more records from an open file into a variable.
BlockWrite procedure
- Writes one or more records from a variable to an open file.
Eof function
- Tests whether the file position is at the end of a file.
ErrOutput variable
- Specifies a write-only file associated with stderr, usually the display.
FileMode variable
- Indicates the access mode on typed and untyped files opened by the Reset procedure.
FilePos function
- Returns the current file position.
FileSize function
- Returns the number of records in a file.
Input variable
- Specifies a read-only file associated with an operating system's standard input 
device.
IOResult function
- Returns the status of the last I/O operation performed.
MkDir procedure
- Creates a new subdirectory.
Output variable
- Specifies a write-only file associated with standard output, usually the display.
Rename procedure
- Changes the name of an external file.
Reset procedure
- Opens an existing file.
Rewrite procedure
- Creates a new file and opens it.
RmDir procedure
- Deletes an empty subdirectory.
Seek procedure
- Moves the current position of a file to a specified component.
Truncate procedure
- Deletes all the records after the current file position.
Write procedure (for typed files)
- Writes to a typed file.
Interface support routines
==========================
CreateGUID function
- Creates a globally unique identifier.
IsEqualGUID function
- Indicates whether two TGUIDs are the same.
Maximum and minimum values
==========================
MaxComp constant
- The maximum value of the Comp data type.
MaxDouble constant
- The maximum value of the Double data type.
MaxExtended constant
- The maximum value of the Extended data type.
MaxInt constant
- The maximum value of the Integer data type.
MaxLongint constant
- The maximum value of the Longint data type.
MaxSingle constant
- The maximum value of the Single data type.
MinComp constant
- The minimum value of the Comp data type.
MinDouble constant
- The minimum value of the Double data type.
MinExtended constant
- The minimum value of the Extended data type.
MinSingle constant
- The minimum value of the Single data type.
MBCS routines
=============
NextCharIndex function
- Return byte index of next character.
MBCS utilities
==============
AnsiCompareFileName function
- Compares file names based on the current locale.
AnsiLastChar function
- Returns a pointer to the last character in a string.
AnsiLowerCaseFileName function
- Converts a file name to lower case.
AnsiStrLastChar function
- Returns a pointer to the last character in a null-terminated string.
AnsiUpperCaseFileName function
- Converts a file name to upper case.
ByteToCharIndex function
- Returns the position of the character that contains a specified byte in a string.
ByteToCharLen function
- Returns the number of characters fully contained in the first MaxLen bytes of 
a string.
ByteType function
- Indicates whether a byte in a string is a single byte character, the first byte 
of a double byte character, or the second byte of a double byte character.
CharLength function
- Returns number of bytes used by a character.
CharToByteIndex function
- Returns the 1-based index of the first byte of a specified character in a 
string.
CharToByteLen function
- Returns the length, in bytes, of the first MaxLen characters of a string.
LeadBytes variable
- Lists all Char values that can be the first byte of a double byte character on 
the local system.
SameFileName function
- Compares file names based on the current locale.
StrByteType function
- Indicates whether a byte in a string is a single byte character, the first byte 
of a double byte character, or the second byte of a double byte character.
StrCharLength function
- Find character size.
StrNextChar function
- Returns pointer to following character.
Measurement conversion routines
===============================
area unit variables
- Represent units that measure area.
CelsiusToFahrenheit function
- Converts a temperature expressed in degrees Celsius to the corresponding 
temperature in degrees Fahrenheit.
CompatibleConversionType function
- Indicates whether a specified conversion type is registered with a specified 
conversion family.
CompatibleConversionTypes function
- Indicates whether the Convert function can convert between two specified 
conversion types.
conversion family variables
- Represent a family of measurement units.
Convert function
- Converts a measurement from one set of units to another.
ConvertFrom function
- Converts a measurement from the specified units to the base units of its 
conversion family.
ConvertTo function
- Converts a measurement from the base units of a conversion family into a 
specified conversion type.
ConvFamilyToDescription function
- Returns the string description of what a conversion family measures.
ConvTypeToDescription function
- Returns the string description of a conversion type (measurement unit).
ConvTypeToFamily function
- Returns the identifier for the conversion family with which a conversion type 
or pair of types is registered.
ConvUnitAdd function
- Adds two measurements and returns the result using a specified unit of measurement.
ConvUnitCompareValue function
- Indicates the relationship between two measurements.
ConvUnitDec function
- Decrements a specified measurement by a specified amount.
ConvUnitDiff function
- Subtracts one measurement from another and returns the result using a specified 
unit of measurement.
ConvUnitInc function
- Increments a specified measurement by a specified amount.
ConvUnitSameValue function
- Indicates whether two measurements are equivalent.
ConvUnitToStr function
- Formats a measurement and its conversion unit into a human-readable string.
ConvUnitWithinNext function
- Indicates whether a specified measurement exceeds another measurement by at 
most a specified amount.
ConvUnitWithinPrevious function
- Indicates whether a specified measurement is at most a specified amount less 
than another measurement.
CycleToDeg function
- Converts an angle measurement from cycles to degrees.
CycleToGrad function
- Converts an angle measurement from cycles to grads.
CycleToRad function
- Converts an angle measurement from cycles to radians.
DateTimeToJulianDate function
- Converts a TDateTime value into a Julian date.
DateTimeToModifiedJulianDate function
- Converts a TDateTime value into a modified Julian date.
DateTimeToUnix function
- Converts a TDateTime value into a Unix-based date-and-time value.
DegToCycle function
- Returns the value of a degree measurement expressed in cycles.
DegToGrad function
- Returns the value of a degree measurement expressed in grads.
DegToRad function
- Returns the value of a degree measurement expressed in radians.
DescriptionToConvFamily function
- Retrieves the identifier for a conversion family given its name.
DescriptionToConvType function
- Retrieves the identifier for a conversion type given its name and family.
distance unit variables
- Represent units that measure distance.
FahrenheitToCelsius function
- Converts a temperature expressed in degrees Fahrenheit to the corresponding 
temperature in degrees Celsius.
GetConvFamilies procedure
- Returns a list of all registered conversion families.
GetConvTypes procedure
- Returns a list of all registered conversion types in a specified conversion 
family.
GradToCycle function
- Converts grad measurements to cycles.
GradToDeg function
- Converts grad measurements to degrees.
GradToRad function
- Converts grad measurements to radians.
JulianDateToDateTime function
- Converts a Julian date to a TDateTime value.
mass unit variables
- Represent units that measure weight.
ModifiedJulianDateToDateTime function
- Converts a modified Julian date to a TDateTime value.
RadToCycle function
- Converts radians to cycles.
RadToDeg function
- Converts radians to degrees.
RadToGrad function
- Converts radians to grads.
RaiseConversionError procedure
- Raises an EConversionError exception.
RegisterConversionFamily function
- Registers a new conversion family and returns its identifier.
RegisterConversionType function
- Registers a new conversion type and returns its identifier.
StrToConvUnit function
- Parses a string into a value and conversion type.
temperature unit variables
- Represent units that measure temperature.
time unit variables
- Represent units that measure time.
TryConvTypeToFamily function
- Retrieves the identifier for the conversion family with which a conversion type 
or pair of types is registered.
TryJulianDateToDateTime function
- Converts a Julian date to a TDateTime value.
TryModifiedJulianDateToDateTime function
- Converts a modified Julian date to a TDateTime value.
TryStrToConvUnit function
- Parses a string into a value and conversion type.
UnixToDateTime function
- Converts a Unix-based date-and-time value to a TDateTime value.
UnregisterConversionFamily procedure
- Unregisters a conversion family previously registered using 
RegisterConversionFamily.
UnregisterConversionType procedure
- Unregisters a conversion type previously registered using 
RegisterConversionType.
volume unit variables
- Represent units that measure distance.
Memory management routines
==========================
AllocMem function
- Allocates a memory block and initializes each byte to zero.
AllocMemCount variable
- Represents the total number of allocated memory blocks in an application.
AllocMemSize variable
- Represents the total size of allocated memory blocks.
GetHeapStatus function
- Returns the current status of the memory manager.
GetMemoryManager procedure
- Returns the entry points of the currently installed memory manager.
HeapAllocFlags variable
- Flags that indicate how the memory manager obtains memory from the operating 
system.
IsMemoryManagerSet function
- Indicates whether the memory manager has been overridden using the 
SetMemoryManager procedure.
ReallocMem procedure
- Reallocates a dynamic variable.
SetMemoryManager procedure
- Sets entry points of the memory manager.
SysFreeMem function
- Frees the memory pointed to by a specified pointer.
SysGetMem function
- Allocates a specified number of bytes and returns a pointer to them.
SysReallocMem function
- Returns a pointer to a specified number of bytes, preserving the values 
pointed to by the Pointer parameter.
Menu support routines
=====================
AnsiSameCaption function
- Indicates whether two strings are the same based on the current Windows locale, 
ignoring case information and accelerator characters.
GetHotkey function
- Returns the last character in a string marked with an ampersand (&).
NewItem function
- Creates and initializes a menu item.
NewLine function
- Creates a menu item for a separator.
NewMenu function
- Creates and initializes a main menu.
NewPopupMenu function
- Creates and initializes a popup menu.
NewSubMenu function
- Creates and initializes a menu item that represents a submenu.
ShortCut function
- Creates a menu shortcut for a specified key combination.
ShortCutToKey procedure
- Returns the virtual key code and shift state of a menu shortcut.
ShortCutToText function
- Converts a menu shortcut into a string that describes the shortcut.
StripHotKey function
- Removes the accelerator character marker from a string.
TextToShortCut function
- Creates a menu shortcut from a text string.
ValidMenuHotkeys variable
- Determines what accelerator keys can be automatically assigned to a menu item 
caption.
Miscellaneous routines
======================
Assert procedure
- Tests whether a Boolean expression is true.
AssertErrorProc variable
- Points to the assertion error-handler.
Assigned function
- Tests for a nil (unassigned) pointer or procedural variable.
Beep procedure
- Generates a message beep.
CountGenerations function
- Returns the number of intermediate classes between a derived class and its 
ancestor.
DefaultTextLineBreakStyle variable
- Specifies the characters that are used by default to separate lines in text.
DLLProc variable
- Points to a procedure invoked by a DLL entry point.
FormatMaskText function
FreeAndNilProperties function
- Frees any property values that are objects and sets their value to nil.
GetEnvironmentVariable function
- Returns environment variable value..
Hi function
- Returns the high-order byte of X as an unsigned value.
High function
- Returns the highest value in the range of an argument.
HtmlTable function
- Generates the HTML image of a dataset, using the properties and events of a 
table producer object.
IfThen function
- Conditionally returns one of two specified values.
IsAccel function
- Indicates whether a particular character is an accelerator character (or hot key) 
within a given menu caption or other text string.
IsValidIdent function
- Tests for a valid Pascal identifier.
Lo function
- Returns the low order Byte of argument X.
Low function
- Returns the lowest value in a range.
Move procedure
- Copies bytes from a source to a destination.
SizeOf function
- Returns the number of bytes occupied by a variable or type.
Slice function
- Returns a sub-section of an array.
UniqueString procedure
- Ensures that a given string has a reference count of one.
ValidParentForm function
- Returns the form or property page that contains a specified control.
Mouse handling utilities
========================
FindVCLWindow function
- Returns the windowed control, if any, at the specified location.
GetCaptureControl function
- Returns the control, if any, that currently receives all mouse messages.
Mouse variable
- Contains information about the systems mouse.
SetCaptureControl procedure
- Causes the specified control to receive all mouse messages.
Multi-tier support
==================
DisableSocketTransport procedure
- Unregisters a remote data module so clients cant access it using a Socket 
connection.
DisableWebTransport procedure
- Unregisters a remote data module so clients cant access it using a Web 
connection.
EnableSocketTransport procedure
- Registers a remote data module so clients can access it using a Socket 
connection.
EnableWebTransport procedure
- Registers a remote data module so clients can access it using a Web connection.
HandleReconcileError function
- Displays a dialog that lets users determine what action to take when an update 
could not be applied.
PackageParams function
- Converts a TParams object into an OleVariant that can be used in multi-tiered 
applications.
RegisterPooled procedure
- Registers a remote data module so that instances are pooled.
UnpackParams procedure
- Converts an OleVariant that represents a set of parameters into a TParams object.
UnregisterPooled procedure
- Removes the object pooling registry entries for a remote data module.
Numeric formatting routines
===========================
CurrToStr function
- Formats a Currency value as a string.
CurrToStrF function
- Converts a Currency value to a string, using a specified format.
DoubleToComp function
- Converts a Double value to a Comp.
FormatCurr function
- Formats a Currency object.
IntToHex function
- Returns the hex representation of an integer.
IntToStr function
- Converts an integer to a string.
Ordinal routines
================
In procedure
- Increments an ordinal value by one or N.
Odd function
- Returns True if argument is an odd number.
Ord function
- Returns the ordinal value of an ordinal-type expression.
Pred function
- Returns the predecessor of the argument.
Succ function
- Returns the successor of an argument.
Package support routines
========================
CurrentGroup variable
- Keeps track of which objects are associated with which packages.
EnumModules procedure
- Executes a callback for all the modules in an application.
EnumResourceModules procedure
- Executes a callback for all resource modules in an application.
FinalizePackage procedure
- Finalizes the specified package .BPL.
GetPackageDescription function
- Returns the description resource from a package.
GetPackageInfo procedure
- Enumerates all the units and required packages for a package.
InitializePackage procedure
- Validates and initializes a given package.
LibModuleList variable
- Lists module records for enumeration procedures.
LoadPackage function
- Loads a specified package.
SafeLoadLibrary function
- Loads a DLL while suppressing error dialogs and preventing the DLL from 
changing the FPU control word.
UnloadPackage procedure
- Unloads a package.
Pointer and address routines
============================
Addr function
- Returns a pointer to a specified object.
FreeAndNil procedure
- Frees an object reference and replaces the reference with nil..
Ptr function
- Converts a specified address to a pointer.
Printer support
===============
Printer function
- Returns a global instance of TPrinter to manage interaction with the printer.
SetPrinter function
- Replaces the global instance of TPrinter that manages interaction with the 
printer.
Program control
===============
Sleep procedure
- Delay program execution for a specified number of microseconds.
Property category routines
==========================
IsPropertyInCategory function
RegisterPropertiesInCategory function
- Registers multiple properties in a specific property category.
RegisterPropertyInCategory function
- Registers a single property in a specific property category.
Qt / CLX conversion routines
============================
CopyQStringListToTStrings function
- Copies the contents of a Qt QStringList to a TStrings object.
IODeviceFromStream function
- Converts a TStream object to a Qt QIOStream object.
QStringListToTStringList function
- Converts a Qt QStringList to a TStringList object.
TStringsToQStringList function
- Converts of a TStrings object to a Qt QStringList object.
Random number routines
======================
RandG function
- Generates random numbers with Gaussian distribution.
Random function
- Generates random numbers within a specified range.
RandomFrom function
- Returns a randomly selected element from an array.
Randomize procedure
- Initializes the random number generator with a random value.
RandomRange function
- Returns a random integer from a specified range.
RandSeed variable
- RandSeed stores the built-in random number generator's seed.
Set handling routines
=====================
Exclude procedure
- Removes an element from a set.
Include procedure
- Adds an element to a set.
Statistical routines
====================
MaxIntValue function
- Returns the largest signed value in an integer array.
MaxValue function
- Returns the largest signed value in an array.
Mean function
- Returns the average of all values in an array.
MeanAndStdDev procedure
- Calculates the mean and standard deviation of array elements.
MinIntValue function
- Returns the smallest signed value in an integer array.
MinValue function
- Returns smallest signed value in an array.
MomentSkewKurtosis procedure
- Calculates the mean, variance, skew, and kurtosis.
Norm function
- Returns the Euclidean 'L-2' norm.
PopnStdDev function
- Calculates the population standard deviation.
PopnVariance function
- Calculates the population variance.
StdDev function
- Returns the sample standard deviation for elements in an array.
Sum function
- Returns the sum of the elements in an array.
SumInt function
- Returns the sum of the elements in an integer array.
SumOfSquares function
- Returns the sum of the squared values from a data array.
SumsAndSquares procedure
- Returns the sum of the values and the sum of the squared values in an array.
TotalVariance function
- Returns the statistical variance from an array of values.
Variance function
- Calculates statistical sample variance from an array of data.
Streaming utilities
===================
ActivateClassGroup procedure
- Activates a group of classes that derive from TPersistent.
FindClass function
- Finds and returns a class that is derived from TPersistent.
FindClassHInstance function
- Returns the instance handle for the module in which a class type is defined.
FindGlobalComponent function
- Returns a top-level container component.
FindHInstance function
- Returns the instance handle of the module that contains a specified address.
FindResourceHInstance function
- Returns the instance handle of the resource module associated with a specified 
HInstance.
GetClass function
- Returns a registered persistent class given its name.
GroupDescendentsWith procedure
- Adds a specified class to the group in which another class appears.
IdentToInt function
- Uses a mapping array to convert string identifiers into their corresponding 
integer values.
InitInheritedComponent function
- Initializes streaming of a form file for an inherited root class.
IntToIdent function
- Uses a mapping array to convert integers into their corresponding string 
identifiers.
IsUniqueGlobalComponentName function
- Indicates whether a proposed component name is unambiguous.
ObjectBinaryToText procedure
- Converts the binary representation of an object into more readily understandable 
text.
ObjectResourceToText procedure
- Converts the binary representation of an object resource into more readily 
understandable text.
ObjectTextToBinary procedure
- Converts a symbolic text representation of an object into the binary version 
that is used to save the object to files or memory streams.
ObjectTextToResource procedure
- Converts a symbolic text representation of an object into an internal binary 
representation.
ReadComponentRes function
- Reads components and their properties from a specified Windows resource.
ReadComponentResEx function
- Reads a component from a resource.
ReadComponentResFile function
- Reads components and their properties from a specified Windows resource file.
RegisterClass procedure
- Registers a class of persistent object so that its class type can be retrieved.
RegisterClassAlias procedure
- Registers a class that is identical to another class except for the name.
RegisterClasses procedure
- Registers a set of classes.
RegisterIntegerConsts procedure
- Registers conversion functions for string identifiers that represent type values.
StartClassGroup procedure
- Starts a class group derived from TPersistent.
TestStreamFormat function
- Identifies the format of a form file when reading it from a stream.
TypeInfo function
- Returns a pointer to compiler-generated runtime type information for a type 
identifier.
UnregisterClass procedure
- Unregisters an object class.
UnregisterClasses procedure
- Unregisters a set of classes.
UnregisterIntegerConsts procedure
- Unregisters conversion functions for string identifiers that represent type 
values.
UnregisterModuleClasses procedure
- Unregisters all classes defined in a specified module.
WriteComponentResFile procedure
- Writes components and their properties to a file using a Windows resource file 
format.
String formatting routines
==========================
FmtLoadStr function
- Returns formatted output using a resourced format string.
FmtStr procedure
- Assembles a formatted string using a format string and an array of arguments.
Format function
- Returns a formatted string assembled from a format string and an array of 
arguments.
FormatBuf function
- Formats the arguments from an array, placing the result in a buffer.
GetFormatSettings procedure
- Resets the date and number format parameters to initial values.
StrFmt function
- Formats entries in an array.
StrLFmt function
- Formats a series of arguments from a specified open array into a buffer.
WideFormat function
- Returns a formatted Unicode string assembled from a format string and an 
array of arguments.
WideFormatBuf function
- Formats the arguments from an array, placing the result in a buffer.
String handling routines
========================
AnsiCompareStr function
- Compares strings based on the current locale with case sensitivity.
AnsiCompareText function
- Compares strings based on the current locale without case sensitivity.
AnsiContainsStr function
- Indicates whether one string is a (case-sensitive) substring of another.
AnsiContainsText function
- Indicates whether one string is a (case-insensitive) substring of another.
AnsiDequotedStr function
- Converts a quoted string into an unquoted 
AnsiEndsStr function
- Indicates whether one string is a (case-sensitive) suffix of another.
AnsiEndsText function
- Indicates whether one string is a (case-insensitive) suffix of another.
AnsiExtractQuotedStr function
- Converts a quoted string into an unquoted string.
AnsiIndexStr function
- Provides the index of a specified string in an array of strings.
AnsiIndexText function
- Provides the index of a specified string in an array of strings.
AnsiLowerCase function
- Returns a string that is a copy of the given string converted to lower case.
AnsiMatchStr function
- Indicates whether an array of strings contains an exact match to a specified 
string.
AnsiMatchText function
- Indicates whether an array of strings contains a case-insensitive match to a 
specified string.
AnsiPos function
- Locates the position of a substring within a string.
AnsiQuotedStr function
- Returns the quoted version of a string.
AnsiReplaceStr function
- Replaces all occurrences of a substring with another string.
AnsiReplaceText function
- Replaces all case-insensitive matches of a substring with another string.
AnsiResemblesProc variable
- Controls the algorithm used by AnsiResemblesText to determine when two strings 
are similar.
AnsiResemblesText function
- Indicates whether two strings are similar.
AnsiSameStr function
- Compares strings based on the current locale with case sensitivity.
AnsiSameText function
- Compares strings based on the current locale without case sensitivity.
AnsiStartsStr function
- Indicates whether one string is a (case-sensitive) prefix of another.
AnsiStartsText function
- Indicates whether one string is a (case-insensitive) prefix of another.
AnsiUpperCase function
- Converts a string to upper case.
CompareStr function
- Compares two strings case sensitively.
CompareText function
- Compares two strings by ordinal value without case sensitivity.
Concat function
- Concatenates two or more strings into one.
Copy function
- Returns a substring of a string or a segment of a dynamic array.
DecodeSoundExInt function
- Converts an integer representation of a SoundEx encoding into the corresponding 
phonetic string.
DecodeSoundExWord function
- Converts a Word representation of a SoundEx encoding into the corresponding 
phonetic string.
Delete procedure
- Removes a substring from a string.
DupeString function
- Returns the concatenation of a string with itself a specified number of repeats.
Insert procedure
- Inserts a substring into a string beginning at a specified point.
IsDelimiter function
- Indicates whether a specified character in a string matches one of a set of 
delimiters.
LastDelimiter function
- Returns the byte index in S of the last character that matches any character
in the Delimiters AnsiString.
LeftStr function
- Returns the substring of a specified length that appears at the start of a 
string.
Length function
- Returns the number of characters in a string or elements in an array.
LowerCase function
- Converts an ASCII string to lowercase.
MidStr function
- Returns the substring of a specified length that appears at a specified position 
in a string.
NullStr constant
- Declares a pointer to EmptyStr.
Pos function
- Returns the index value of the first character in a specified substring that 
occurs in a given string.
QuotedStr function
- Returns the quoted version of a string.
ReverseString function
- Returns the reverse of a specified string.
RightStr function
- Returns the substring of a specified length that appears at the end of a 
string.
SameText function
- Compares two strings by ordinal value without case sensitivity.
SetLength procedure
- Sets the length of a string or dynamic-array variable.
SetString procedure
- Sets the contents and length of the given string.
SoundEx function
- Converts a string into its SoundEx representation.
SoundExCompare function
- Compares the SoundEx representations of two strings.
SoundExInt function
- Converts a string into an integer that represents its phonetic value.
SoundExProc function
- Indicates whether two strings are similar.
SoundExSimilar function
- Indicates whether two strings are similar.
SoundExWord function
- Converts a string into a Word that represents its phonetic value.
Str procedure
- Formats a string and returns it to a variable.
StringOfChar function
- Returns a string with a specified number of repeating characters.
StringToGUID function
- Returns a string with occurrences of one substring replaced by another 
substring.
StuffString function
- Inserts a substring into a specified position of a string, replacing the 
current characters.
Trim function
- Trims leading and trailing spaces and control characters from a string.
TrimLeft function
- Trims leading spaces and control characters from a string.
TrimRight function
- Trims trailing spaces and control characters from a string.
UpperCase function
- Returns a copy of a string in uppercase.
Val procedure
- Converts a string to a numeric representation.
WideLowerCase function
- Returns Unicode string converted to lower case.
WideSameStr function
- Compares Unicode strings based on the current locale with case sensitivity.
WideSameText function
- Compares Unicode strings based on the current locale without case sensitivity.
WideUpperCase function
- Returns Unicode string converted to upper case.
WrapText function
- Splits a string into multiple lines as its length approaches a specified size.
String handling routines (null-terminated)
==========================================
AnsiStrComp function
- Compares null-terminated character strings.
AnsiStrIComp function
- Compares null terminated character strings case insensitively.
AnsiStrLComp function
- Compares the first MaxLen bytes of two null-terminated strings, case-sensitively.
AnsiStrLIComp function
- Compares two strings, case-insensitively, up to the first MaxLen bytes.
AnsiStrLower function
- Converts all characters in a null-terminated string to lower case.
AnsiStrPos function
- Returns a pointer to the first occurrence of SubStr in Str.
AnsiStrRScan function
- Returns a pointer to the last occurrence of a specified character in a 
specified string.
AnsiStrScan function
- Returns a pointer to first occurrence of a character in a string.
AnsiStrUpper function
- Converts all characters in a null-terminated string to upper case.
ExtractStrings function
- Fills a string list with substrings parsed from a delimited list.
LineStart function
- Finds the end of the last whole line in a buffer.
SearchBuf function
- Locates a substring within a text buffer.
StrCat function
- Appends a copy of Source to the end of Dest and returns the concatenated string.
StrComp function
- Compares two strings with case sensitivity.
StrCopy function
- Copies Source to Dest and returns Dest.
StrECopy function
- Copies null-terminated string.
StrEnd function
- Returns a pointer to the end of a null terminated string.
StrIComp function
- Compares two strings without case sensitivity.
StrLCat function
- Appends up to a specified maximum number of characters to string.
StrLComp function
- Compares up to a specified maximum number of characters in two strings.
StrLCopy function
- Copies up to a specified maximum number of characters from Source to Dest.
StrLen function
- Returns number of characters in a string excluding the null terminator.
StrLIComp function
- Compares strings up to a specified maximum number of characters, without case 
sensitivity.
StrLower function
- Converts a string to lowercase.
StrMove function
- Copies specified number of characters to string.
StrPCopy function
- Copies a Pascal string to a null-terminated string.
StrPLCopy function
- Copies characters from a Pascal-style string into a null-terminated string.
StrPos function
- Returns a pointer to the first occurrence of STR2 in STR1.
StrRScan function
- Returns a pointer to the last occurrence of a specified character in a string.
StrScan function
- Returns a pointer to first occurrence of a specified character in a string.
StrUpper function
- Returns a string in upper case.
Termination procedure support
=============================
AddTerminateProc procedure
- Adds a terminate procedure to the system list of termination procedures.
CallTerminateProcs function
- Calls all of the functions in the termination procedure list.
ExitProc variable
- Points to a program's exit procedure (provided for backward compatibility).
Text file routines
==================
AssignPrn procedure
- Assigns a text-file variable to the printer.
Eoln function
- Tests whether the file pointer is at the end of a line.
Erase procedure
- Deletes an external file.
Flush procedure
- Empties the buffer of a text file opened for output.
Read procedure
- Read reads data from a file.
Readln procedure
- Reads a line of text from a file.
SeekEof function
- Returns the end-of-file status of a file, ignoring whitespace.
SeekEoln function
- Returns the end-of-line status of a file, ignoring whitespace.
SetLineBreakStyle procedure
- Determines the end-of-line and end-of-file conventions for text file I/O.
SetTextBuf procedure
- Assigns an I/O buffer to a text file.
Write procedure (for text files)
- Writes to a text file.
Writeln procedure
- Writes to a text file and adds an end-of-line marker
Thread management routines
==========================
BeginThread function
- Spawns a separate thread of execution.
CheckSynchronize function
- Allows background threads to synchronize their execution with the main thread.
EndThread function
- Terminates the execution of a thread.
ForegroundTask function
- Indicates whether the current thread is running in the foreground.
IsMultiThread variable
- Indicates whether the application spawned additional threads using BeginThread 
or TThread objects.
WakeMainThread variable
- Represents a method (event handler) that is forced into the main threads queue.
Trigonometry routines
=====================
ArcCos function
- Calculates the inverse cosine of a given number.
ArcCosh function
- Calculates the inverse hyperbolic cosine of a given number.
ArcCot function
- Calculates the inverse cotangent of a given number.
ArcCotH function
- Calculates the inverse hyperbolic cotangent of a given number.
ArcCsc function
- Calculates the inverse cosecant of a given number.
ArcCscH function
- Calculates the inverse hyperbolic cosecant of a given number.
ArcSec function
- Calculates the inverse secant of a given number.
ArcSecH function
- Calculates the inverse hyperbolic secant of a given number.
ArcSin function
- Calculates the inverse sine of a given number.
ArcSinh function
- Calculates the inverse hyperbolic sine of a given number.
ArcTan function
- Calculates the arctangent of a given number.
ArcTan2 function
- Calculates the arctangent angle and quadrant of a given number.
ArcTanh function
- Calculates the inverse hyperbolic tangent of a given number.
Cos function
- Calculates the cosine of an angle.
Cosecant function
- Returns the cosecant of an angle.
Cosh function
- Calculates the hyperbolic cosine of an angle.
Cot function
- Calculates the cotangent of an angle.
Cotan function
- Calculates the cotangent of an angle.
CotH function
- Calculates the hyperbolic cotangent of an angle.
Csc function
- Returns the cosecant of an angle.
CscH function
- Returns the hyperbolic cosecant of an angle.
Hypot function
- Calculates the length of the hypotenuse.
Sec function
- Calculates the secant of an angle.
Secant function
- Calculates the secant of an angle.
SecH function
- Calculates the hyperbolic secant of an angle.
Sin function
- Returns the sine of the angle in radians.
SinCos procedure
- Returns sine and cosine of an angle.
Sinh function
- Returns the hyperbolic sine of an angle.
Tan function
- Returns the tangent of X.
Tanh function
- Returns the hyperbolic tangent of X.
Type conversion routines
========================
BinToHex procedure
- Converts a binary value into its hexadecimal representation.
BoolToStr function
- Converts a boolean value to a string.
Bounds function
- Returns the TRect for a rectangle of given dimensions.
CompToCurrency function
- Converts a Comp value to a Currency value.
CompToDouble function
- Converts a Comp value to a Double value.
Dec procedure
- Converts a Currency value to a Comp value.
FalseBoolStrs variable
- Lists strings that can represent the boolean value False.
HexToBin function
- Converts a string of hexadecimal digits to the corresponding binary value.
OffsetRect function
- Changes the origin of a rectangle by a specified amount.
Point function
- Creates a TPoint structure from a pair of coordinates.
Rect function
- Creates a TRect structure from a set of coordinates.
Rect function
- Creates a TRect structure from a set of coordinates.
SmallPoint function
- Creates a TSmallPoint structure from a pair of coordinates.
StrToBool function
- Converts a string to a boolean value.
StrToInt function
- Converts a string that represents an integer (decimal or hex notation) to a 
number.
StrToInt64 function
- Converts a string that represents an integer (decimal or hex notation) to a 
number.
StrToInt64Def function
- Converts a string that represents an integer (decimal or hex notation) to a 
number.
StrToIntDef function
- Converts a string that represents an integer (decimal or hex notation) to a 
number.
TrueBoolStrs variable
- Lists strings that can represent the boolean value True.
Unicode routines
================
WideCompareStr function
- Compares Unicode strings based on the current locale with case sensitivity.
WideCompareText function
- Compares Unicode strings based on the current locale without case sensitivity.
WideFmtStr procedure
- Assembles a formatted Unicode string using a format string and an array of 
arguments.
Note: this list continues on part II
Ide Indy Delphi
