private void UpdateLayerItemsOptions()
{
LayerItemsOpts layerItemsOptions;
bool returnsLegendItems = (LegendItemTemplate != null);
layerItemsOptions = new LayerItemsOpts(false, false, returnsLegendItems, ShowOnlyVisibleLayers, ReverseLayersOrder);
PropagateLayerItemsOptions(layerItemsOptions);
}