Hello everyone: I am learning GeoExt and trying the example "Tree Node", the url of the example is "http://api.geoext.org/1.1/examples/tree.html";.
In the example, the "Overlays" subtree hosted in the Layers panel contains 3 layer nodes each with a check box and a radio button, users can click on one of radio buttons to activate a layer, and through checking on/off check boxes, we can turn on/off the display of a layer. These functions are excellent. Now the question is, I want to turn on/off a radio button in the treenode programmatically, also check on/off check boxs programmatically. Could anyone provide me some hints to achieve the goal? Do I need to examine some source code of the library? Thanks, Chamme
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