Hi Jose,
You can follow the same approach but define a custom style for the
Expander element of the
RadTreeViewItems. The
RadTreeView control exposes a
ExpanderStyle property that allow you to set a custom style for the expander element of the items.
Please take a look at the sample I attached and let me know if it helps.
Greetings,
Tina Stancheva
the Telerik team
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