nsMessenger::CopyMessages(nsIRDFCompositeDataSource *database, nsIRDFResource *srcResource, nsIRDFResource *dstResource, nsISupportsArray *argumentArray, PRBool isMove)
nsMessenger::CopyMessages(nsIRDFCompositeDataSource *database, nsIDOMXULElement *srcFolderElement, nsIDOMXULElement *dstFolderElement, nsIDOMNodeList *messages, PRBool isMove)
nsMessenger::CopyMessages(nsIRDFCompositeDataSource *database,                          nsIRDFResource *srcResource, // folder						              nsIRDFResource *dstResource,                          nsISupportsArray *argumentArray, // nsIMessages                          PRBool isMove){	nsresult rv;  NS_ENSURE_ARG_POINTER(srcResource);  NS_ENSURE_ARG_POINTER(dstResource);  NS_ENSURE_ARG_POINTER(argumentArray);	  nsCOMPtr<nsIMsgFolder> srcFolder;  nsCOMPtr<nsISupportsArray> folderArray;      srcFolder = do_QueryInterface(srcResource);  if(!srcFolder)    return NS_ERROR_NO_INTERFACE;    nsCOMPtr<nsISupports> srcFolderSupports(do_QueryInterface(srcFolder));  if(srcFolderSupports)    argumentArray->InsertElementAt(srcFolderSupports, 0);  rv = NS_NewISupportsArray(getter_AddRefs(folderArray));  NS_ENSURE_SUCCESS(rv, rv);    folderArray->AppendElement(dstResource);  if (isMove)    rv = DoCommand(database, NS_LITERAL_CSTRING(NC_RDF_MOVE), folderArray, argumentArray);  else    rv = DoCommand(database, NS_LITERAL_CSTRING(NC_RDF_COPY), folderArray, argumentArray);  return rv;}