Quote Originally Posted by He_That_Is View Post
... And to Victors post, No, it didn't start out a Doc/View it was a CControlBar/split type thing, with a View and no document. I converted it to a doc/view.
Well, the most probably that's a reason!

I'd recommend you to create a new project with Doc/View support (using the App Wizard) and then move your code from the old project to the new one.