void maps_starting_locations_Click(object sender, RoutedEventArgs e)
 {
     if (this.activeMap != null)
     {
         StartLocationsDialog dialog = new StartLocationsDialog(this.activeMap.GetValue("start_locations"));
         dialog.ShowDialog();
         this.activeMap.SetValue("start_locations", dialog.FinalValue);
     }
 }
 void maps_starting_locations_Click(object sender, RoutedEventArgs e)
 {
     if (this.activeMap != null)
     {
         StartLocationsDialog dialog = new StartLocationsDialog(this.activeMap.GetValue("start_locations"));
         dialog.ShowDialog();
         this.activeMap.SetValue("start_locations", dialog.FinalValue);
     }
 }