Must set setting.check attributes, see the API documentation for more related contents.
group range of radio: within the same levelwithin the whole tree
2, Explanation of treeNode
1), If you need to initialize the node is checked, please set treeNode.checked attribute. See the API documentation for more related contents.
2), If you need to initialize the node don't show radio, please set treeNode.nocheck attribute. See the API documentation for more related contents.
3), If you need to change 'checked' to other attribute, please set setting.data.key.checked attribute. See the API documentation for more related contents.
4), By the way, please see the API documentation for 'treeNode.checkedOld / getCheckStatus / check_Child_State / check_Focus'.