delphi 程序全屏显示无标题栏,覆盖整个屏幕

delphi 程序全屏显示无标题栏,覆盖整个屏幕,这个在做工控机或屏保时有用的,所以记下


procedure TMainFrm.FormCreate(Sender: TObject);

begin

  with MainFrm do begin

        { Position form }
        Top := 0 ;
        Left := 0 ;
        { Go full screen}
        BorderStyle := bsNone ;
        WindowState  := wsmaximized;
        ClientWidth  := Screen.Width ;
        ClientHeight := Screen.Height;
        Refresh;
        SetForegroundWindow(Handle) ;
        SetActiveWindow(Application.Handle) ;

  end;

end;

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