private void Button_SelectFolder_Click(object sender, RoutedEventArgs e) { var openFileDialog = new VistaFolderBrowserDialog(); if (openFileDialog.ShowDialog() == false) { return; } ViewModel.Files.Clear(); foreach (var file in Directory.GetFiles(openFileDialog.SelectedPath).Where(f => !Path.GetFileName(f).StartsWith("~$"))) { ViewModel.Files.Add(new ImportEntry() { IsSelected = false, Path = file, Count = ExcelLoader.LoadFileCount(file) }); } }