def _createCheckBoxTree(id):
tree = ObjectTreeManager.getTree(id)
treeModel = ObjectTreeModel(tree)
rootNode = _createRootNode(treeModel,treeModel.getRoot())
defaultTreeModel = DefaultTreeModel(rootNode)
cbt = CheckBoxTree(defaultTreeModel)
cbt.getCheckBoxTreeSelectionModel().setSelectionMode(1)
i am not able to get the single tree selection
is there any problem with the code please help me