public HRESULT OnFileOk(IFileDialog pfd)
 {
     return(_ownerDialog.HandleVistaFileOk((Interop.WinFormsComWrappers.FileDialogWrapper)pfd) ? HRESULT.S_OK : HRESULT.S_FALSE);
 }
 public HRESULT OnFileOk(IFileDialog pfd)
 {
     return(_ownerDialog.HandleVistaFileOk(pfd) ? HRESULT.S_OK : HRESULT.S_FALSE);
 }