Re: Handling messages in CMDIFrameWnd derived class

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Thu, 30 Aug 2007 10:56:13 -0500
Message-ID:
<rQBBi.1561$z_5.625@nlpi069.nbdc.sbc.com>
In your CMainFrame's cpp file, have you changed all accurrences of
CMDIFrameWnd with CMyFrameWnd. Specially in the message map

BEGIN_MESSAGE_MAP(CMainFrame,CMyFrameWnd)

AliR.

"Pedro Ferreira" <none@none.com> wrote in message
news:ujm5Vox6HHA.3716@TK2MSFTNGP03.phx.gbl...

Hello,

Once again, I'm stuck in a simple thing..

I'm creating a class derived from CMDIFrameWnd to implement common
features to some projects we're working on.

I created a class derived from CMDIFrameWnd, that should handle some
registered messages. It goes something like this:

/****************/
class CMyFrameWnd : public CMDIFrameWnd
{
DECLARE_DYNCREATE(CBugMDIFrameWnd)

protected:
afx_msg LRESULT OnMyRegMessage(WPARAM wParam, LPARAM lParam);

DECLARE_MESSAGE_MAP()
};

IMPLEMENT_DYNCREATE(CMyFrameWnd, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMyFrameWnd, CMDIFrameWnd)
ON_REGISTERED_MESSAGE(UWM_MY_REG_MESSAGE, OnMyRegMessage)
END_MESSAGE_MAP()

LRESULT CMyFrameWnd::OnMyRegMessage(WPARAM wParam, LPARAM lParam)
{
}
/****************/

Then in my CMainFrame, I replace the CMDIFrameWnd with CMyFrameWnd.

What is happening is that my UWM_MY_REG_MESSAGE message isn't handled in
CMyFrameWnd. If I add the ON_REGISTERED_MESSAGE entry to my CMainFrame,
the message is handled in CMyFrameWnd.

Any ideas on what am I doing wrong?

Thanks,

Pedro

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