public static IEnumerable <IILayer> LayerTree(this IILayer layer)
{
for (int i = 0; i < layer.NumOfChildLayers; i++)
{
yield return(layer.GetChildLayer(i));
foreach (var y in layer.GetChildLayer(i).LayerTree())
{
yield return(y);
}
}
}
public static bool HasNode(this IILayer layer, IINode node, bool checkInChild = true)
{
#if MAX2020
ITab <IINode> nodes = Loader.Global.INodeTab.Create();
#else
ITab <IINode> nodes = Loader.Global.INodeTabNS.Create();
#endif
IILayerProperties layerProperties = Loader.IIFPLayerManager.GetLayer(layer.Name);
layerProperties.Nodes(nodes);
foreach (IINode n in Tools.ITabToIEnumerable(nodes))
{
if (node.Handle == n.Handle)
{
return(true);
}
}
for (int i = 0; i < layer.NumOfChildLayers; i++)
{
IILayer child = layer.GetChildLayer(i);
if (child.HasNode(node, checkInChild))
{
return(true);
}
}
return(false);
}
private void BuildLayerTreeRecusively(IILayer layer, int index, TreeNodeCollection treeNodeCollection)
{
for (int i = 0; i < layer.NumOfChildLayers; i++)
{
IILayer childLayer = layer.GetChildLayer(i);
TreeNode layerNode = treeNodeCollection[index].Nodes.Add(childLayer.Name);
if (SelectedLayers.Contains(layer))
{
layerNode.Checked = true;
}
BuildLayerTreeRecusively(childLayer, i, treeNodeCollection[index].Nodes);
}
}