private void SaveClick(object sender, RoutedEventArgs e) { var dlg = new Microsoft.Win32.SaveFileDialog(); dlg.FileName = "English"; // Default file name dlg.DefaultExt = ".wgglang"; // Default file extension dlg.Filter = "Word Game Generator Localization (.wgglang) | *.wgglang"; // Filter files by extension var success = dlg.ShowDialog(); if (success.HasValue && success.Value) { LocalizationHelpers.SaveLocalization(dlg.FileName, _localization); } }