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Close your application with the ESC key

By Zarko Gajic, About.com Guide

Filed In:

Make sure that you set the KeyPreview property of the Form to True. This will make keyboard events occur on the form, before the active control. You should set this in the create event of the form. Below, you will find a code sample that demonstates how to do this.

~~~~~~~~~~~~~~~~~~~~~~~~~
procedure TForm1.FormCreate(Sender: TObject) ;
begin
   KeyPreview := True;
end;

procedure TForm1.FormKeyPress
   (Sender: TObject; var Key: Char) ;
begin
   if key = #27 then Close;
end;
~~~~~~~~~~~~~~~~~~~~~~~~~

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