C++ (Cpp) IShellLibrary::QueryInterface Examples

Example #1

File: SpecialSystemDirectory.cpp Project: dimag0g/Pale-Moon

__inline HRESULT
SHLoadLibraryFromKnownFolder(REFKNOWNFOLDERID aFolderId, DWORD aMode,
                             REFIID riid, void **ppv)
{
    *ppv = NULL;
    IShellLibrary *plib;
    HRESULT hr = CoCreateInstance(CLSID_ShellLibrary, NULL,
                                  CLSCTX_INPROC_SERVER,
                                  IID_PPV_ARGS(&plib));
    if (SUCCEEDED(hr)) {
        hr = plib->LoadLibraryFromKnownFolder(aFolderId, aMode);
        if (SUCCEEDED(hr)) {
            hr = plib->QueryInterface(riid, ppv);
        }
        plib->Release();
    }
    return hr;
}