void AddTopicAudio(object sender, RoutedEventArgs e) { if (finalRounders.SelectedItem == null) { FinalRounders.FinalRoundIssue("Select the topic to import the audio of."); return; } if (finalRoundList.FileName == null) { FinalRounders.FinalRoundIssue("The final round file has to exist first. Export your work or import an existing final round file."); return; } if (audioBrowser.ShowDialog() == true) { selectedTopic.ImportTopicAudio(finalRoundList.FileName, audioBrowser.FileName); } }