WM_CONTEXTMENU
CMenu menu;
menu.LoadMenu(IDR_MENU_POPUP);
menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGH|TPM_LEFTBUTTON|TPM_RHGHTBUTTON,
point.x,point.y,this);
WM_CONTEXTMENU
CMenu menu;
menu.LoadMenu(IDR_MENU_POPUP);
menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGH|TPM_LEFTBUTTON|TPM_RHGHTBUTTON,
point.x,point.y,this);