internal override void UpdateValue(object value)
{
int k = PW.Length - 1;
object item = PW.GetItem(k);
if (item == null || item == BindingExpression.NullDataItem)
{
return;
}
// if the binding is async, post a request to set the value
if (ParentBinding.IsAsync && !(PW.GetAccessor(k) is DependencyProperty))
{
RequestAsyncSetValue(item, value);
return;
}
PW.SetValue(item, value);
}