ChildWindowFromPoint 可以获取工具栏指针吗,该怎么解决

ChildWindowFromPoint 可以获取工具栏指针吗
如题,试了好多次都不成功,求高手释疑

------解决方案--------------------
你坐标可能传递的不对,用WindowFromPoint试试吧
------解决方案--------------------
BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
{
if(WM_LBUTTONDOWN == pMsg->message)
{
CPoint pt = pMsg->pt;
ScreenToClient(&pt);
CWnd* pWnd = ChildWindowFromPoint(pt);
if((NULL != pWnd) && (NULL != pWnd->GetSafeHwnd()))
{
pWnd->ShowWindow(SW_HIDE);
RecalcLayout();
return TRUE;
}
}
return CFrameWnd::PreTranslateMessage(pMsg);
}