This tip helps to read configuration information in an XML file. Using XPath, the values can be read simply and the value is fetched from the file as CString.

/***********  The header file ******************************/class CXMLConfig {private:	IXMLDOMDocument* m_pXMLDocument;	CString m_strFileName;public:	CXMLConfig(void);	~CXMLConfig(void);	CXMLConfig(CString strConfigFileName);	HRESULT LoadXMLDocument();	CString GetValue(CString strXPath);	void SetFileName(CString strFileName);};/***********  The implementation file ******************************/#include "stdafx.h"#include ".xmlconfig.h"CXMLConfig::CXMLConfig(void){	CoInitialize(NULL);	m_pXMLDocument = NULL;	m_strFileName = "";}CXMLConfig::~CXMLConfig(void){	if (m_pXMLDocument!=NULL) {		m_pXMLDocument->Release();		m_pXMLDocument = NULL;	}	CoUninitialize();}CXMLConfig::CXMLConfig(CString strConfigFileName){	m_strFileName = strConfigFileName;}void CXMLConfig::SetFileName(CString strFileName){	m_strFileName = strFileName;}BOOL CXMLConfig::LoadXMLDocument(BOOL bValidateOnParse , BOOL bResolveExternals ){	HRESULT hRes ;	BOOL bRet = FALSE;	CFileFind ff;	if (!ff.FindFile(m_strFileName)) {		CString strMsg;		strMsg.Format("The file '%d' is not found",m_strFileName);		AfxMessageBox(strMsg);		return bRet;	}   	hRes = CoCreateInstance(CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER,IID_IXMLDOMDocument, (void**)&m_pXMLDocument);	if ( hRes == S_OK ) {		COleVariant var(m_strFileName) ;		VARIANT_BOOL bResult;		hRes = m_pXMLDocument->load(var,&bResult) ;		if ( hRes == S_OK && bResult == VARIANT_TRUE ) {			//	Success			bRet = TRUE;		}		else {			AfxMessageBox("file can not be loaded");		}	}	return bRet ;}/********************************************************************************Function		:	GetValueParameters		:	strXPath	:	xPath to query from the xml file*********************************************************************************/CString CXMLConfig::GetValue(CString strXPath){	CString strValue = "";	CComPtr pRoot;	CComPtr pXMLDOMNodeResult;	CComPtr pElement;	CComPtr pText;	CComPtr pXMLDOMNode;	BSTR bStrXPath;	m_pXMLDocument->get_documentElement(&pRoot);	if ( pRoot == NULL ) {		return strValue;	}	bStrXPath = strXPath.AllocSysString() ;	pRoot->selectSingleNode(bStrXPath,&pXMLDOMNodeResult);	::SysFreeString(bStrXPath) ;	if ( pXMLDOMNodeResult == NULL ) {		return strValue;	}	pXMLDOMNodeResult->QueryInterface(IID_IXMLDOMElement,(void**)&pElement);	if ( pElement == NULL ) {		return strValue;	}	pElement->get_firstChild(&pXMLDOMNode);	if ( pXMLDOMNode == NULL ) {		return strValue;	}	pXMLDOMNode->QueryInterface(IID_IXMLDOMText,(void**)&pText);	if ( pText == NULL ) {		return strValue;	}	BSTR bStrTextContent ;	pText->get_text(&bStrTextContent) ;	strValue = CString(bStrTextContent) ;	return strValue;}