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Delphi source code for Miscellaneous >> Detect a keypress during a loop

Category: Miscellaneous
Title: Detect a keypress during a loop
Date added: 15.03.2006
Hits: 18889

procedure TForm1.Button1Click(Sender: TObject);
  LoopAborted: Boolean;
  i: Integer;
  LoopAborted := False;
  i := 0;
    Caption := IntToStr(i);
    if GetKeyState(VK_Escape) and 128 = 128 then
      LoopAborted := True;
  until i = 100000;
  if LoopAborted then
    ShowMessage('User has aborted the loop!');

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