public async void Export()
 {
     await SafeExecute(async() =>
     {
         string exportedTree   = await _informationProvider.Export(_moduleName);
         bool result           = await _saver.SaveStringToFile(exportedTree, _moduleName, ".xml");
         ExportResultViewModel = new ImportExportResultViewModel {
             HasFailed = !result
         };
         _states.ChangeToContentState();
     });
 }