I'm wanting to add a Rich Textbox to my Excel sheet. I found this, but
don't know what to do from here.
http://msdn2.microsoft.com/library/72z2h2cz(en-us,vs.80).aspx

I have a simple textbox control on my sheet but I'd like to add some
formatting so my thought was a Rich Textbox. If there is a different
solution I'm open to that as well.