/// <summary>
/// Checkes whether a sub-layer (LayerInfo) is in a measurable state
/// </summary>
/// <param name="subLayer">The sub-layer to check</param>
/// <param name="parentLayer">The map service layer containing the sub-layer</param>
/// <param name="map">The map containing the map service layer</param>
/// <returns>True if the sub-layer is measurable, false if not</returns>
internal static bool IsMeasurable(this LayerInfo subLayer, ArcGISDynamicMapServiceLayer parentLayer, Map map)
{
if (parentLayer.VisibleLayers == null)
{
return(subLayer.DefaultVisibility && subLayer.IsInVisibleRange(map));
}
else
{
return(parentLayer.VisibleLayers.Contains(subLayer.ID) && subLayer.IsInVisibleRange(map));
}
}
