BewildrTestApp.Window1.drag_lbl_PreviewMouseUp C# (CSharp) 메소드

        private void drag_lbl_PreviewMouseUp(object sender, MouseButtonEventArgs e)
        {
            dragPoint = null;
            drag_lbl.RemoveHandler(Canvas.MouseMoveEvent, new MouseEventHandler(mouse_move));
            drag_via_me.RemoveHandler(Label.MouseEnterEvent, new MouseEventHandler(mouse_enter));
            drag_target.RemoveHandler(Label.MouseEnterEvent, new MouseEventHandler(mouse_enter));
        }