XPathFunctionAttribute public abstract class XPathFunctionAttribute : Attribute, IXsltContextFunction Documentation Code public static readonly XPathResultType[] NoArgs public virtual XPathResultType[] ArgTypes { get; } public virtual int Maxargs { get; } public virtual int Minargs { get; } public abstract XmlName Name { get; } public abstract XPathResultType ReturnType { get; } protected XPathFunctionAttribute() public abstract object Invoke(XsltContext context, object[] args, XPathNavigator node)