private string[] GetLayerIds(string[] exludedList, bool hideBasemaps)
{
if (Map != null && Map.Layers != null)
{
List <string> layerIds = new List <string>();
foreach (Layer lay in Map.Layers)
{
//always filter out layers without ID
if (!string.IsNullOrWhiteSpace(lay.ID) && LayerProperties.GetIsVisibleInMapContents(lay))
{
//only filter out basemaps for configurable MapContents controls
if ((bool)this.GetValue(ElementExtensions.IsConfigurableProperty) &&
hideBasemaps && (bool)lay.GetValue(ESRI.ArcGIS.Client.WebMap.Document.IsBaseMapProperty))
{
continue;
}
else
{
layerIds.Add(lay.ID);
}
}
}
//only filter using excludedList for configurable MapContents controls
if ((bool)this.GetValue(ElementExtensions.IsConfigurableProperty) && exludedList != null)
{
return(layerIds.Except <string>(exludedList).ToArray());
}
else
{
return(layerIds.ToArray());
}
}
return(null);
}
