Delphi Basics : ExitCode command

DelphiBasics

ExitCode
Variable

Sets the return code when an application terminates

System unit

var ExitCode : Integer;

Description

The ExitCode variable is the code returned by a terminating application to the invoker.

The ExitCode value will be displayed in a dialog box if the ErrorAddr variable is non 0 when the program terminates.

Related commands

Addr		Gives the address of a variable, function or procedure
ErrorAddr		Sets the error address when an application terminates

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Example code : Display the exit code in a termination error dialog

var
  i : Integer;
begin
  // Set up an error address so that halt shows a termination dialog
  ErrorAddr := Addr(i);

  // Set the program exit code
  ExitCode := 8;
end;

Show full unit code

  When the program terminates, an error dialog is displayed:

  Runtime error 8 at 0069FC94