Adding Progress Control gives assertion failure

Hi Experts,

I am trying to add a progress control to a simple dialog.  This is what I have done!
1. I added a Progress Control to a dialog.  
2. Using Class Wizard, I created a member variable for that control.( m_progress)
3. In the OnInitDialog( ) member function of that dialog class,
When I launch the app, it is giving assertion failure.

This is where it is failing.

_AFXCMN_INLINE void CProgressCtrl::SetRange(short nLower, short nUpper)
      { ASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, PBM_SETRANGE, 0, MAKELPARAM(nLower, nUpper)); }

Why would I get this error.  Actually, calling m_progress.SetStep() also gives assertion failure.  My application is a Control Panel Applet, if that has anything to do with it.

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thaneshAuthor Commented:
Hmmm... the problem is m_progress is null.  Why?
thaneshAuthor Commented:
If I do:

m_progress.Create(WS_CHILD | WS_VISIBLE, CRect(30, 70, 310, 90), this,0x16);
instead of adding the control through the resource editor it works.
If you never create the control, the 'm_hWnd' value will not be initialized, so adding the above line will fix that. BTW, why aren't you using a predefined control ID?

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thaneshAuthor Commented:
OK.  But, when I insert an EditBox control, for example, from the Resource editor I do not have to do call Create.  Then why for this ProgressCtrl I have to do it.  

thaneshAuthor Commented:
When I add the progress control through resource editor, and then use Create to create a Progress Control, I have two of them.
thaneshAuthor Commented:
I am doing 'Create' to  create the dialog instead of DoModal().  Do you know if this has something to do with it.
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