public void SetItems(IEnumerable <object> items, Func <object, string> labelFunc, Func <object, string> textFunc)
{
this.textFunc = textFunc;
if (items == null)
{
adapter.UpdateList(Enumerable.Empty <string>(), labelFunc);
}
else
{
adapter.UpdateList(items.OfType <object>(), labelFunc);
}
}
