function ParamCount : Integer;
Description
The ParamCount function gives the number of command line parameters used to invoke the current executable.
Notes
The related ParamStr function returns these parameters as index values 1, 2 etc.
Related commands
CmdLine Holds the execution text used to start the current program
FindCmdLineSwitch Determine whether a certain parameter switch was passed
ParamStr Returns one of the parameters used to run the current program
Example code : Display command line parameters
var
cmd : string;
i : Integer;
begin
// Before running this code, use the Run/parameters menu option
// to set the following command line parameters : -parm1 -parm2
cmd := CmdLine;
ShowMessage(cmd); // Show the execution command + parameters
// How many parameters were passed?
ShowMessage('There are '+IntToStr(ParamCount)+' parameters');
// Show these parameters - note that the 0th parameter is the
// execution command on Windows
for i := 0 to ParamCount do
ShowMessage('Parameter '+IntToStr(i)+' = '+ParamStr(i));
end;
Show full unit code
"C:\Program files\Borland\Delphi7\Projects\Project1.exe" -parm1 -parm2
There are 2 parameters
Parameter 0 = C:\PROGRAM FILES\BORLAND\DELPHI7\PROJECTS\PROJECT1.EXE
Parameter 1 = -parm1
Parameter 2 = -parm2