static public gView.Framework.Symbology.ILegendGroup LegendGroup(LayerItem layerItem)
{
if (layerItem == null)
{
return(null);
}
List <ILayer> layers = layerItem.TOCElement.Layers;
if (layers.Count == 0)
{
return(null);
}
ILayer elem = layers[0];
if (!(elem is IFeatureLayer))
{
return(null);
}
LegendGroupGroup legendGroup = new LegendGroupGroup();
ILabelRenderer labelRenderer = ((IFeatureLayer)elem).LabelRenderer;
if (labelRenderer is ILegendGroup)
{
legendGroup.Add((ILegendGroup)labelRenderer);
}
IFeatureRenderer renderer = ((IFeatureLayer)elem).FeatureRenderer;
if (renderer is ILegendGroup)
{
legendGroup.Add((ILegendGroup)renderer);
}
return(legendGroup.Count > 0 ? legendGroup : null);
}
public LegendItem(ILegendItem legendItem, LayerItem layerItem)
{
_legendItem = legendItem;
_layerItem = layerItem;
}