怎样使得点住菜单栏后可以拖动窗口

Question

我去掉了MainFrame的标题栏，然后想让菜单栏跟标题栏有一样的效果
点住后可以拖动，重写了OnLButtonDown,结果不对，怎么回事？CMainFrame::OnLButtonDown(UINT nFlags,CPoint point)
{  
  SendMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM(point.x,point.y));
  CFrameWnd::OnLButtonDown(nFlags,point);
}

Answer 1

不好意思，我的原代码是：CMainFrame::OnNcLButtonDown(UINT nFlags,CPoint point)
{  
  PostMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM(point.x,point.y));
  CFrameWnd::OnLButtonDown(nFlags,point);
}

Answer 2

不好意思，我的原代码是：CMainFrame::OnNcLButtonDown(UINT nFlags,CPoint point)
{  
  PostMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM(point.x,point.y));
  CFrameWnd::OnNcLButtonDown(nFlags,point);
}

Answer 3

最后一次更正我的问题：窗口可以拖动，但点击菜单项没反应，怎么解决?
原代码是
CMainFrame::OnNcLButtonDown(UINT nFlags,CPoint point)
{  
  SendMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM(point.x,point.y));
  CFrameWnd::OnNcLButtonDown(nFlags,point);
}