# Custom Icon - icon

###### [ File Path: core/custom_icon.html ]

- ## 1, Explanation of setting

  - Custom icon does not require special configuration setting.

- ## 2, Explanation of treeNode

  - Use node data’s icon / iconOpen / iconClose attribute show custom icon.
  - See the API documentation for more related contents.

- ## 3、Other explanation

  - Because of the time limitation, demo uses png images, if you need transparent images in IE6 browser, make a gif image, or use a special 'css filter' on ie6 browser.