System.Xml.Schema.Asttree.IsAttribute C# (CSharp) Method

        internal static bool IsAttribute(Axis ast) {
            return ((ast.TypeOfAxis == Axis.AxisType.Attribute) && (ast.NodeType == XPathNodeType.Attribute));
        }

 public ForwardAxis(DoubleLinkAxis axis, bool isdesorself)
 {
     this.isDss       = isdesorself;
     this.isAttribute = Asttree.IsAttribute(axis);
     this.topNode     = axis;
     this.rootNode    = axis;
     while (this.rootNode.Input != null)
     {
         this.rootNode = (DoubleLinkAxis)this.rootNode.Input;
     }
     this.isSelfAxis = Asttree.IsSelf(this.topNode);
 }