void CPanel::OnTimer() { if (!_processTimer) return; CMyComPtr<IFolderWasChanged> folderWasChanged; if (_folder.QueryInterface(IID_IFolderWasChanged, &folderWasChanged) != S_OK) return; Int32 wasChanged; if (folderWasChanged->WasChanged(&wasChanged) != S_OK) return; if (wasChanged == 0) return; OnReload(); }