AjaxControlToolkit.Accordion.GetData C# (CSharp) Method

        protected virtual IEnumerable GetData()
        {
            _selectResult = null;
            var view = ConnectToDataSourceView();
            if(view != null) {
                Debug.Assert(_currentViewValid);

                // create a handle here to make sure this is a synchronous operation.
                _selectWait = new EventWaitHandle(false, EventResetMode.AutoReset);
                view.Select(SelectArguments, new DataSourceViewSelectCallback(DoSelect));
                _selectWait.WaitOne();

            } else if(DataSource != null)
                _selectResult = DataSource as IEnumerable;

            return _selectResult;
        }