uses
  XMLDoc;

const
  XML =
    '<RESULT>'+
      '<ROW>'+
        '<ID>5</ID>'+
        '<ORDER>John</ORDER>'+
      '</ROW>'+
      '<ROW>'+
        '<ID>6</ID>'+
        '<ORDER>Sam</ORDER>'+
      '</ROW>'+
    '</RESULT>';

var
  Document: TXMLDocument;
begin
  Document := LoadXmlData(XML); // <- E2010 Incompatible types: 'TXMLDocument' and 'IXMLDocument'
end;