Thank you for writing.
does not support such functionality. However, your suggestions seems quite reasonable, and this is why I will add it into our PITS system
as a feature request. Feel free to add your vote for it at this link
I have added 500 Telerik points
to your account for this request.
All the best,
the Telerik team
Q2’11 SP1 of RadControls for WinForms is available for download (see what's new); also available is the Q3'11 Roadmap for Telerik Windows Forms controls.