You can achieve the following behaviour:
1. Set the Header of the RadMenuItem with underscore infront of the name, for example: Header="_Header"
2. Then to select this item press Alt
key and H
Attached I am sending you a sample project in which this is illustrated.
Hope this helps. Please let us know if you have further questions.
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items