void MapContentsControl_LayerSelectionChanged(object sender, LayerEventArgs e)
 {
     OnLayerSelectionChanged(e);
 }
 protected virtual void OnLayerSelectionChanged(LayerEventArgs args)
 {
     if (LayerSelectionChanged != null)
         LayerSelectionChanged(this, args);
 }
 internal virtual void OnLayerCongifurationStarted(LayerEventArgs args)
 {
     if (LayerConfigurationStarted != null)
         LayerConfigurationStarted(this, args);
 }