[MSXML] - Existiert ein Wert?

[shmia]

Delphi-Quellcode:

var
  ElementAuthor, ElementRoot : IXMLDOMElement;
begin
...
// XPath Ausdruck verwenden
ElementAuthor := ElementRoot.selectSingleNode('./author') as IXMLDOMElement;
if assigned(ElementAuthor) then
   ShowMessage(ElementAuthor.Text);