procedure TForm1.FormDeactivate(Sender: TObject);

begin

 ReleaseCapture;

end;

procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,

 Y: Integer);

begin

 If GetCapture = 0 then

  SetCapture(Form1.Handle);

 if PtInRect(Rect(Form1.Left,

  Form1.,

  Form1.Left + Form1.Width,

  Form1. + Form1.Height),

  ClientToScreen(Point(x, y))) then

 Form1.Caption := 'Мышка на форме' else

 Form1.Caption := 'Мышка за пределами формы';

end;