制做像QQ那种自动停靠.自动收缩的窗口.[3]

                    trackmouseevent eventtrack;
                      eventtrack.cbsize= sizeof(trackmouseevent);
                      eventtrack.dwflags= tme_leave;
                      eventtrack.hwndtrack= this->m_hwnd;
                      _trackmouseevent(&eventtrack);

            cdialog::onmousemove(nflags, point);

        }