ILMDVRSink::put_FolderName Example for C++

void CDVRSinkDlg::OnSetFolderName(ILMDVRSink* pSink)
{
   long index = 0;
   BSTR path = ::SysAllocString(L"C:\\Temp\\");
   pSink-> put_FolderName  (index, path);
   ::SysFreeString(path);
}