ARCed.UI.DockPanel.DragHandlerBase.WndProc C# (CSharp) Метод

            protected override sealed void WndProc(ref Message m)
            {
                if (m.Msg == (int)Msgs.WM_CANCELMODE || m.Msg == (int)Msgs.WM_CAPTURECHANGED)
                    this.EndDrag(true);

                base.WndProc(ref m);
            }