Usage of transformNodeToObject using MSXML4.0, VC++, MFC (Automat ion)

Hello,

I have a problem in using transformNodeToObject using MSXML4.0.
 I have a VC++ MFC application in which msxml4.dll has been included using
OLE Automation (as a type library).
This creates the wrapper files msxml4.h and .cpp files. 
Here, I have a sample.xml file and a corresponding sample.xsl file. I want
to create a new DOM Document using the above API by performing
transformNodeToObject. Here the code goes:

// Load the source XML Doc
IXMLDOMDocument aXMLDoc;
aXMLDoc.CreateDispatch("Msxml2.DOMDocument.4.0");
aXMLDoc.load(COleVariant("c:\\sample.xml"));

// Load the XSL Document
IXMLDOMDocument aXSLDoc;
aXSLDoc.CreateDispatch("Msxml2.DOMDocument.4.0");
aXSLDoc.load(COleVariant("c:\\sortsample.xsl"));

// Create an empty Result DOM Document
IXMLDOMDocument aXMLResDoc;
aXMLResDoc.CreateDispatch("Msxml2.DOMDocument.4.0");
VARIANT aVar;
memset(&aVar, 0, sizeof(aVar));
aVar.vt = VT_DISPATCH;
aVar.pdispVal = aXMLResDoc.m_lpDispatch;        
aXMLDoc.transformNodeToObject(aXSLDoc.m_lpDispatch,     
                                aVar);          

COleVariant aDest("c:\\out.xml");
aXMLResDoc.save(aDest);

aXMLResDoc.DetachDispatch();
aXSLDoc.DetachDispatch();
aXMLDoc.DetachDispatch();

Here, looks like the way I am passing the output VARIANT DOMDocument object
is not proper. I am getting an exception in transformNodeToObject. The API
wrapper created using the above automation  for transformNodeToObject is 
IXMLDOMDoucment::transformNodeToObject(LPDISPATCH stylesheet,
                                    const VARIANT &outputobject);
Can you please tell me how should i pass the resultant DOMDocument object as
a VARIANT for this function? 
I am stuckup with this problem and not able to proceed further.

Thanks in advance,
Nirmala


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