Microsoft.Phone.Controls.ListPicker.SizeForExpandedMode C# (CSharp) Method

        private void SizeForExpandedMode()
        {
            // Set height and align first element at top
            if (null != _itemsPresenterPart)
            {
                SetContentHeight(_itemsPresenterPart.ActualHeight);
            }
            if (null != _itemsPresenterTranslateTransformPart)
            {
                _translateAnimation.To = 0;
            }

            // Highlight selected container
            ListPickerItem container = (ListPickerItem)ItemContainerGenerator.ContainerFromIndex(SelectedIndex);
            if (null != container)
            {
                container.IsSelected = true;
            }
        }