Delphi Basics : MaxInt command

DelphiBasics

MaxInt
Constant

The maximum value an Integer can have

System unit

const MaxInt = High(Integer);

Description

The MaxInt constant gives the largest allowed value for an Integer.

The value is normally (2^32)-1 = 2,147,483,647 but is not guaranteed to be so in all Delphi releases.

It is often used when the size of something, such as an array, is unknown.

Related commands

Integer		The basic Integer type
MaxLongInt		The maximum value an LongInt can have

Download this web site as a Windows program.

Example code : Copying the trailing characters of a string

var
  Source, Target : string;

begin
  Source := 'Assume that we do not know how long this string is';

  // Copy all characters from the 8th onwards
  Target := Copy(Source, 8, MaxInt);

  ShowMessage('Source : '+Source);
  ShowMessage('Target : '+Target);
end;

Show full unit code

Source : Assume that we do not know how long this string is
Target : that we do not know how long this string is