Catrobat.IDE.WindowsPhone.Controls.FormulaControls.FormulaViewer.Container_OnTap C# (CSharp) Method

        private void Container_OnTap(Grid container, TappedRoutedEventArgs e)
        {
            // find container
            var index = Containers.IndexOf(container);
            if (index == -1) return;
            e.Handled = true;

            if (e.GetPosition(container).X > container.ActualWidth / 2) index++;

            SelectionLength = 0;
            CaretIndex = index;
        }