void map_victory_x_Click(object sender, RoutedEventArgs e) { if (this.activeMap != null) { VictoryXDialog dialog = new VictoryXDialog(this.activeMap.GetValue("victoryX")); dialog.ShowDialog(); if (int.Parse(dialog.FinalValue) != 0) { this.activeMap.SetValue("victoryX", dialog.FinalValue); } else { this.activeMap.SetValue("victoryX", null); } } }