实用!超强VC/MFC 常见问答收集

ULONG uFetched;

   // Enumerate and refresh all the frames
   for (UINT i = 0; S_OK == pEnumerator->Next(1, &pUnk, &uFetched); i++)
   {
      // QI for IOleObject here to see if we have an embedded browser
      IOleObject* pOleObject;

      hr = pUnk->QueryInterface(IID_IOleObject, (void**)&pOleObject);
      pUnk->Release();

      if (SUCCEEDED(hr))
      {
          CLSID clsID;
          pOleObject->GetUserClassID(&clsID);
      }
   }

   pEnumerator->Release();

IShellFolder *psfParent; //A pointer to the parent folder object's IShellFolder interface
LPITEMIDLIST pidlItem = NULL; //the item's PIDL
LPITEMIDLIST pidlRelative = NULL; //the item's PIDL relative to the parent folder
STRRET str; //the display name's STRRET structure
TCHAR szDisplayName[MAX_PATH]; //the display name's string

HRESULT hres = SHBindToParent(pidlItem, IID_IShellFolder, &psfParent, &pidlRelative);
if(SUCCEEDED(hres))
{
    psfParent->GetDisplayNameOf(pidlRelative, SHGDN_NORMAL, &str);
    psfParent->Release();
    StrRetToBuf(&str, pidlItem, szDisplayName, ARRAYSIZE(szDisplayName));
}