private void SetIcon(TreeNodeCollection Nodes)
{
for (int i = 0; i < Nodes.Count; i++)
{
if (Nodes[i].ImageIndex == 2 || Nodes[i].ImageIndex == 4 || Nodes[i].ImageIndex == 5)
{
treeFactory.SetNodeIcon((TreeNodeEx)(Nodes[i]));
}
if (Nodes[i].Nodes.Count > 0)
{
SetIcon(Nodes[i].Nodes);
}
}
}