How do I get my child window of a CWnd object to display?

I know I'm most likely missing some fundamental knowledge here, but I have a CWnd object (unfortunately, it's not a CMDIFrameWnd or even a CFrameWnd), can I create a visible child using Create() or CreateEx()?  I create an instance of an oject derived from CWnd, and the call its Create() function giving it a parent.  I then call show and update, I declare the window style as WS_CHILD | WS_VISIBLE so I'm not sure I need to do this, but anyway I don't see the window.  I'm not sure how MFC handles the message loop.  Is is running in CWinThread?  Do I need to create my own so that the window will update? I've been used to dealing with only MDI child windows and never had to implement this stuff with MFC.  Any help would be greatly appreciated.

Thank you.
jmarescaAsked:
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Tommy HuiEngineerCommented:
Did you specify a valid visible rectangle for the window? You should double check to see if the window has been created or not by using Spy++. With Spy, you can see if the window was actually created and its location. From that, you should at least see if the window has been create or not.

If you call Create and it returns TRUE, then you can be sure that the window creation succeeded. So I suspect it is probably off the screen or clipped by the window somehow.
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krwCommented:
I struggled with this one for a while before I figured out what I was doing wrong.  If your application is an MDI one (as mine was in the same scenario), your child window must be derived from CMDIChildWnd to interact with the framework correctly.  CWnd, nor CFrame will work; they will be created but obscured by the CMainFrame window.
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