This seems to get you some of the way there and may satify your needs
http://www.codeproject.com/cs/miscctrl/richtextboxplus.asp?df=100&forumid=16179&
exp=0&select=562462
HTH
Ciaran O'Donnell
> Is there Any way I can get the ITextDocument Interface of a .Net
> RichTextBox?
>
> Please post some Sample Code that extracts this interface from RichTextBox?