RadGroupBox is a simple HeaderedContentControl, e.g. it will automatically provide all IsEnabled functionality of the other controls. Actually it will work in the same way as the WPF GroupBox.
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!