procedure TxxxxForm.FormMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer); const sc_DragMove: Integer = $F012; begin if ssCtrl in Shift then //判断“Ctrl”键是否按下 Begin ReleaseCapture; //释放鼠标事件的对象 //(Sender as TWinControl)…