# Checkbox Operation

###### [ File Path: excheck/checkbox.html ]

- ## 1, Explanation of setting

  - Must set setting.check attributes, see the API documentation for more related contents.

  - Linkage relationship between parent and child nodes:
    check: affect the parent affect the child
    uncheck: affect the parent affect the child

- ## 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's checkbox is disabled, please set treeNode.chkDisabled attribute. See the API documentation for more related contents and 'chkDisabled Demo'.
  - 3), If you need to initialize the node don't show checkbox, please set treeNode.nocheck attribute. See the API documentation for more related contents and 'nocheck Demo'.
  - 4), If you need to change 'checked' to other attribute, please set setting.data.key.checked attribute. See the API documentation for more related contents.
  - 5), By the way, please see the API documentation for 'treeNode.checkedOld / getCheckStatus / check_Child_State / check_Focus'.