ExtJs TreeGrid with checkable nodes

If it's possible to have a TreeGrid with checkable nodes, how could I create that?开发者_StackOverflow社区

---

Here is an example of a basic checkable tree widget.

As of Ext 4.0, there is now official TreeGrid support. Combined with the still-supported checked config when supplied with your tree's node data, it is easy to create a checkable TreeGrid.