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在IShellFolder.GetUIObjectOf方法中用以下参数<br> (<br> HWND hwndOwner,<br> UINT cidl,<br> LPCITEMIDLIST *apidl,<br> REFIID riid,<br> UINT *prgfInOut,<br> LPVOID *ppvOut<br> <br>在riid=IID_IContextMenu时产生ContextMenu,当*apidl指向一个PItemIDList,且cidl<br>=1时成功,但当要产生多个选定File Object时如何构造*apidl?<br>