MFC 消息映射宏的单纯展开（无解析）

BEGIN_MESSAGE_MAP (CMainWindow, CFrameWnd)
ON_WM_PAINT () //WM_PAINT 消息通过MFC的消息映射机制转换为对CMainWindow：：OnPaint函数的调用
END_MESSAGE_MAP ()

展开后

__pragma(warning(push))
__pragma(warning(disable : 4867))

const struct AFX_MSGMAP* CMainWindow::GetMessageMap() const
{	
	return GetThisMessageMap();
}

const struct AFX_MSGMAP* __stdcall CMainWindow::GetThisMessageMap()
{	
	typedef CMainWindow ThisClass;
	typedef CFrameWnd TheBaseClass;
	__pragma(warning(push))
	__pragma(warning(disable: 4640))
	static const struct AFX_MSGMAP_ENTRY _messageEntries[] =
	{
		WM_PAINT, 0, 0, 0, AfxSig_vv,
  		{(AFX_PMSG)(AFX_PMSGW)(static_cast<void (AFX_MSG_CALL CWnd::*)(void）> (&ThisClass::OnPaint))},
  		{0, 0, 0, 0, AfxSig_end, (AFX_PMSG)0 }
	};
	__pragma(warning(pop))
	static const struct AFX_MSGMAP messageMap = 
	{
		&TheBaseClass::GetThisMessageMap, &_messageRntries[0]
	};
	return &messageMap;
}
__pragma(warning(pop))