RXmlEngDOMImplementation domImpl;
     domImpl.OpenL();        		// opening DOM implementation object 
     RXmlEngDocument iDoc; 
     // create document element
     TXmlEngElement elem = iDoc.CreateDocumentElementL(_L8("doc"));
     // create file container from file (file1 is an RFile object) and CID equals cid
     TXmlEngFileContainer binData = iDoc.CreateFileContainerL(cid, file1);
     elem.AppendChildL(binData);    // append container to the dom tree       
     iDoc.Close();               	// closing all opened objects
     domImpl.Close();