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BEGIN_MESSAGE_MAP(CHeaderCtrlEx, CHeaderCtrl)
ON_MESSAGE(HDM_LAYOUT, OnLayout)
END_MESSAGE_MAP()
LRESULT CHeaderCtrlEx::OnLayout(WPARAM wParam, LPARAM lParam)
{
LRESULT lResult = CHeaderCtrl::DefWindowProc(HDM_LAYOUT, wParam, lParam);
HDLAYOUT& hdLayout = *reinterpret_cast<LPHDLAYOUT>(lParam);
LPRECT lpRect = hdLayout.prc;
LPWINDOWPOS lpWindowPos = hdLayout.pwpos;
lpRect->top = lpWindowPos->cy = 整数,你的高度;
return lResult;
}