protected override XPathItem NextItem()
{
while (true)
{
if (iter == null)
{
if (!baseIter.MoveNext())
{
return(null);
}
sequentialPosition = 0;
iter = XPath2NodeIterator.Create(node.Execute(new NodeProvider(baseIter.Current), dataPool));
}
if (iter.MoveNext())
{
sequentialPosition++;
return(iter.Current);
}
iter = null;
}
}
public object Evaluate(IContextProvider provider, IDictionary <XmlQualifiedName, object> vars)
{
object res = exprTree.Execute(provider, BindExpr(vars));
if (res is XPathItem)
{
XPathItem item = (XPathItem)res;
if (!item.IsNode)
{
res = item.TypedValue;
}
}
resultType = CoreFuncs.GetXPath2ResultType(res);
ValueProxy proxy = res as ValueProxy;
if (proxy != null)
{
return(proxy.Value);
}
return(res);
}
private void propertyGrid_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
{
AbstractNode node = propertyGrid.SelectedObject as AbstractNode;
node?.Execute();
}