Hello Afraei,
Thank you for writing.
In order to use your custom check box in a tree node you will have to create a custom tree node element and replace the default ones. To replace the check box inside a
TreeNodeElement you can override the
CreateToggleElement method. To make
RadTreeView to use your node elements you can subscribe for the
CreateNodeElement event. Here is an example:
A custom check box:
A custom tree node element:
And replacing the tree elements:
I hope this will help. Feel free to write back with any further questions.
Greetings,
Ivan Petrov
the Telerik team