public void PersistDuringMusicSelection() { if (_IsInitializing) { return; } if (DefaultMusicDuringBuildCheckbox.Checked) { OptionPage.DuringBuildMusic = MusicPlayer.DefaultFileName; } else { if (string.IsNullOrEmpty(MusicDuringBuildTextbox.Text)) { return; } if (_FileSystemHandler.FileExists(MusicDuringBuildTextbox.Text)) { OptionPage.DuringBuildMusic = MusicDuringBuildTextbox.Text; } else { MessageBox.Show(string.Format(_ResourceManager.GetString("MessageFileDoesNotExists"), MusicDuringBuildTextbox.Text)); } } }