Sets the root node of the #DzlTree widget. This is used to build the items within the treeview. The item itself will not be added to the self, but the direct children will be.
A #DzlTreeNode.
See Implementation
Sets the root node of the #DzlTree widget. This is used to build the items within the treeview. The item itself will not be added to the self, but the direct children will be.