// Create a shell item array object that can be accessed using IObjectCollection
// or IShellItemArray. IObjectCollection lets items be added or removed from the collection.
// For code that needs to run on Vista use SHCreateShellItemArrayFromIDLists()
HRESULT CreateShellItemArray(REFIID riid, void **ppv)
{
*ppv = NULL;
IShellLibrary *pLibrary;
HRESULT hr = CoCreateInstance(CLSID_ShellLibrary, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pLibrary));
if (SUCCEEDED(hr))
{
hr = pLibrary->GetFolders(LFF_ALLITEMS, riid, ppv);
pLibrary->Release();
}
return hr;
}
__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;
}