C++中加入弹出菜单： 在窗口类中派生Message消息：WM_CONTEXTMENU (右键单击事件) 即在CMainfr a me类中实现如下代码即可：-C++ Add pop-up menu: In the window class derived Message news: WM_CONTEXTMENU (right-click events) in the CMainfr a me class to achiev