C / C++ / MFC

#include "stdafx.h"

#include "stdio.h"
#import "msxml4.dll"
using namespace MSXML2;
 inline void EVAL_HR( HRESULT _hr ) 
   { if FAILED(_hr) throw(_hr); }

int main(int argc, char* argv[])
{
   try 
   {
		IXMLDOMDocumentPtr objDOMDoc;

		EVAL_HR(CoInitialize(NULL)); 
		EVAL_HR(objDOMDoc.CreateInstance(__uuidof(MSXML2::DOMDocument40)));
		_variant_t varXml("C:\\book.xml");
		_variant_t varOut((bool)TRUE);

		objDOMDoc->async = false;
		varOut = objDOMDoc->load(varXml);
		
		if ((bool)varOut == FALSE)
		 throw(0);
		
		printf(_bstr_t(objDOMDoc->xml)) ;
		printf("\n\nPress ENTER to continue...\n");
		getchar();
		//return 0;
	}
	
	catch(...)
	{
		printf("Exception occurred");
		printf("\n\nPress ENTER to continue...\n");
		getchar();
		return -1;
	}
	
	try
	{
		
		MSXML2::IXMLDOMProcessingInstructionPtr pPI = NULL;
		MSXML2::IXMLDOMDocument2Ptr pXMLDoc = NULL;
		MSXML2::IXMLDOMNodePtr pNode = NULL;
		MSXML2::IXMLDOMNodeListPtr pXMLDomNodeList = NULL;
		MSXML2::IXMLDOMNodePtr pRootNode= NULL; 


		EVAL_HR(CoInitialize(NULL));
			
		//	Create MSXML DOM object
		EVAL_HR(pXMLDoc.CreateInstance(("Msxml2.DOMDocument.4.0")));
		
		//	Step 1: Creating the Processing Instruction
		
		pPI = pXMLDoc->createProcessingInstruction
			("xml", "version='1.0' encoding='UTF-8'");

		_variant_t vNullVal;
		vNullVal.vt = VT_NULL;
		pXMLDoc->insertBefore(pPI, vNullVal);

		//	---------------------------------------------
		//	Step 2: Creating the Root Element
		
		_variant_t varNodeType((short)MSXML2::NODE_ELEMENT);

		pRootNode= pXMLDoc->createNode(varNodeType, 
			("Root"),(""));
		pXMLDoc->appendChild(pRootNode);

		//	------------------------------------------
		//	Step 3: Creating Attribute Node
		//MSXML2::IXMLDOMNodePtr pAttNode= NULL; 
		MSXML2::IXMLDOMNodePtr pAttNode= NULL; 
		//pAttNode = pRootNode->appendChild(pXMLDoc->removeChild("attribute"));
		
		
		//	Step 4: Creating attribute name element
		MSXML2::IXMLDOMAttributePtr pattIdAttr = NULL;
		pattIdAttr= pXMLDoc->createAttribute(("Name"));
		pattIdAttr->nodeTypedValue = ("Namevalue");
		pAttNode->attributes->setNamedItem(pattIdAttr);
		//doc.DocumentElement.AppendChild(newElem);

		//xe.Element("address").SetElement("city", "MANCHESTER");
   
		pXMLDoc->save("C:\\s2.xml");
	}
	catch(...)
	{

	}
	

	CoUninitialize();   
	return 1;
}