procedure SetNodeType(RootNode: IXMLNode; InstNode: IXMLNode; const ElemURI: InvString; const TypeName: InvString);
__fastcall SetNodeType(IXMLNode RootNode, IXMLNode InstNode, const InvString ElemURI, const InvString TypeName);
This is SetNodeType, a member of class TSOAPDomConv.