/// <summary>
/// Determines whether the specified parent of the layer is visible in the map.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="layer">The layer.</param>
/// <returns>Returns <see cref="bool" /> representing <c>true</c> when the parent layer is visible.</returns>
public static bool IsParentVisible(this IMap source, ILayer layer)
{
bool isLayerVisible;
bool isParentVisible;
IMapLayers2 layers = (IMapLayers2)source;
layers.IsLayerVisibleEx(layer, out isLayerVisible, out isParentVisible);
return(isParentVisible);
}
public static void TraceLayerProperties(this IMap map)
{
string s = "Layer: {0} is visible: {1}";
string ms = "IMapLayers2: {0} is visible: {1}. Parent is visible:{2}";
IEnumLayer enumLayer = (IEnumLayer)map.get_Layers(null, true);
IMapLayers2 mapLayers = map as IMapLayers2;
ILayer layer = null;
while ((layer = enumLayer.Next()) != null)
{
bool isvis;
bool isparentvis;
mapLayers.IsLayerVisibleEx(layer, out isvis, out isparentvis);
ILayer2 layer2 = layer as ILayer2;
Trace.WriteLine(s.FormatString(layer2.Name, layer2.Visible));
Trace.WriteLine(ms.FormatString(layer2.Name, isvis, isparentvis));
}
}