AcManager.Controls.AcListPage.OnItemsSourceChanged C# (CSharp) Method

        private void OnItemsSourceChanged(AcWrapperCollectionView oldValue, AcWrapperCollectionView newValue) {
            if (oldValue != null) {
                oldValue.CurrentChanged -= ItemsSource_CurrentChanged;
            }

            if (newValue != null) {
                newValue.CurrentChanged += ItemsSource_CurrentChanged;
                _selectedWrapper.Value = newValue.CurrentItem as AcItemWrapper;
            }
        }