Types Delphi

type Byte = 0..255;


Description
The Byte type is the smallest form of integer, occupying 8 bits (1 byte) of storage.

It supports only the positive integers from 0 to 255.

Related commands
Cardinal The basic unsigned integer type
Int64 A 64 bit sized integer - the largest in Delphi
Integer The basic Integer type
LongInt An Integer whose size is guaranteed to be 32 bits
LongWord A 32 bit unsigned integer
ShortInt An integer type supporting values -128 to 127
SmallInt An Integer type supporting values from -32768 to 32767
Word An integer type supporting values 0 to 65535

Example code : Showing maximum and minimum byte values
var
min, max : Byte;
begin
// Set the minimum and maximum values of this data type
min := Low(Byte);
max := High(Byte);
ShowMessage('Min byte value = '+IntToStr(min));
ShowMessage('Max byte value = '+IntToStr(max));
end;

Show full unit code
Min byte value = 0
Max byte value = 255