MSXML2::IXMLDOMNodePtr CXmlBase::InsertEnterAndTabs(MSXML2::IXMLDOMNodePtr pParentNode, MSXML2::IXMLDOMNodePtr pNode, int nLevel)
{
	HRESULT hr = S_OK;
	MSXML2::IXMLDOMDocument2Ptr pDoc = NULL;
	MSXML2::IXMLDOMTextPtr pTabsText = NULL;
	MSXML2::IXMLDOMNodePtr pTabsNode = NULL;
	MSXML2::IXMLDOMElementPtr pElement = NULL;
	CString strText(_T("")), strTabs(_T(""));
	CComBSTR bstrText;

	if (nLevel < 0 
		|| pParentNode == NULL) return NULL;

	if(pNode == NULL)nLevel = 0;

	for (int i=0; i<nLevel; i++)
	{
		strTabs += _T("\t");
	}
	strText.Format(_T("%s%s"), _T("\r\n"), (LPCTSTR)strTabs);
	bstrText = _bstr_t(strText).GetBSTR();

	try
	{
		pDoc = pParentNode->GetownerDocument();
		if (pDoc == NULL) return NULL;

		pTabsText = pDoc->createTextNode((LPCTSTR)strText);
		if (pTabsText == NULL) return NULL;
		CComVariant varNode = pNode.GetInterfacePtr();
		pTabsNode = pParentNode->insertBefore(pTabsText, varNode);


		//hr = pDoc->raw_createTextNode(bstrText.m_str, &pTabsText);
		//if (FAILED(hr) || pTabsText == NULL) return NULL;
		//pElement = pTabsText;
		//pTabsNode = pParentNode->appendChild(pElement);

		//pTabsNode = pDoc->createTextNode((LPCTSTR)strText);  
		//if (pTabsNode == NULL) return NULL;
		//pNode = pNode->appendChild(pTabsNode);
	}
	catch(_com_error &e)
	{
		CString str;
		str.Format(_T("创建xml节点发生异常。\r\nComError:\r\n%s")
			, e.ErrorMessage());
		::MessageBox(NULL,str, g_sAppTitle, MB_OK|MB_ICONERROR);
		return NULL;
	}
	catch(...)
	{
		return NULL;
	}
	return pTabsNode;
}
	MSXML2::IXMLDOMNode* CXmlNodeWrapper::InsertAfter(MSXML2::IXMLDOMNode *refNode, MSXML2::IXMLDOMNode *pNode)
	{
		MSXML2::IXMLDOMNodePtr nextNode = refNode->GetnextSibling();
		MSXML2::IXMLDOMNodePtr newNode;
		if (nextNode.GetInterfacePtr() != NULL)
			newNode = m_xmlnode->insertBefore(pNode,(IUnknown*)nextNode);
		else
			newNode = m_xmlnode->appendChild(pNode);
		return newNode.Detach();
	}
	MSXML2::IXMLDOMNode* CXmlNodeWrapper::InsertAfter(MSXML2::IXMLDOMNode *refNode, LPCTSTR nodeName)
	{
		MSXML2::IXMLDOMDocumentPtr xmlDocument = m_xmlnode->GetownerDocument();
		if (xmlDocument)
		{
			MSXML2::IXMLDOMNodePtr newNode = xmlDocument->createNode(_variant_t((short)MSXML2::NODE_ELEMENT),nodeName,"");
			MSXML2::IXMLDOMNodePtr nextNode = refNode->GetnextSibling();
			if (nextNode.GetInterfacePtr() != NULL)
				newNode = m_xmlnode->insertBefore(newNode.Detach(),(IUnknown*)nextNode);
			else
				newNode = m_xmlnode->appendChild(newNode.Detach());
			return newNode.Detach();
		}
		return NULL;
	}
MSXML2::IXMLDOMNodePtr CXmlBase::InsertNode( MSXML2::IXMLDOMNodePtr pParentNode , MSXML2::IXMLDOMNodePtr pNodeBack , LPCTSTR lpszNodeText )
{
	HRESULT hr = S_OK;
	MSXML2::IXMLDOMDocument2Ptr pDoc = NULL;
	MSXML2::IXMLDOMElementPtr pElement = NULL;
	MSXML2::IXMLDOMNodePtr pNode = NULL;
	CComBSTR bstrNodeText = _bstr_t("node").GetBSTR();

	if (pParentNode == NULL 
		|| lpszNodeText == NULL) return NULL;

	bstrNodeText = lpszNodeText;
	if (bstrNodeText.Length() == 0) return NULL;

	try
	{
		pDoc = pParentNode->GetownerDocument();
		if (pDoc == NULL) return NULL;
		//hr = pDoc->raw_createElement(bstrNodeText.m_str, &pElement);
		//if (FAILED(hr) || pElement == NULL) return NULL;
		pNode = pDoc->createNode(NODE_ELEMENT, bstrNodeText.m_str, _T(""));
		if (pNode == NULL) return NULL;
		CComVariant varNode = pNodeBack.GetInterfacePtr();
		pNode = pParentNode->insertBefore(pNode, varNode);
	}
	catch(_com_error &e)
	{
		CString str;
		str.Format(_T("插入xml节点发生异常。\r\nComError:\r\n%s")
			, e.ErrorMessage());
		::MessageBox(NULL,str, g_sAppTitle, MB_OK|MB_ICONERROR);
		return NULL;
	}
	catch(...)
	{
		return NULL;
	}
	return pNode;
}