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January 2nd, 2003, 10:02 PM
#3
well,I made mistake.
Actually I use a derived CMyTabCtrl class from CTabCtrl. The CMyTabCtrl is supposed to intercept the WM_SELCHANGE message first, (I checked that it did receive it), and in that handler CMyTabCtrl post a WM_NOTFIY message to the GetParent(), using
CWnd *pWnd=GetParent();
pNMHDR->code=TVN_SELCHANGE;
pWnd->PostMessage(WM_NOTIFY,0,(LPARAM)pNMHDR);
BTW, in the CMyTabCtrl , ON_NOTIFY_REFLECT is used to map messages and in parent window ON_NOTIFY is used.
But, all these work well in a debug version.
At last,I found that the main dialog did receive the WM_NOTIFY but it did not dispatch to the right handler.
How does windows dispatch WM_NOTIFY? In other words, what should be in PostMessage()? I all tried
pWnd->PostMessage(WM_NOTIFY,GetDlgCtrlID(),(LPARAM)pNMHDR);
It did not work either.
Last edited by caperover2002; January 2nd, 2003 at 11:50 PM.
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