This functionailty is not available at the moment. The idea is already logged in the PITS here
, so you can follow, vote and comment.
What you could do is to use the RadToolTipManager API (shown in this demo
and this article
- see the getToolTipByElement() method) and add handlers to the second event (e.g.onfocus, as it will be used in less cases, while letting the manager handle mouseover).
All the best,
the Telerik team
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