WM_CONTEXTMENU
CMenu menu;
menu.LoadMenu(IDR_MENU_POPUP);
menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGH|TPM_LEFTBUTTON|TPM_RHGHTBUTTON,
point.x,point.y,this);
mfc---右键蹦出菜单,布布扣,bubuko.com
mfc---右键蹦出菜单
原文：http://www.cnblogs.com/xiaoxiaocaicai/p/3595295.html
