/// <summary>
/// Scrolls the given <paramref name="control"/> vertically by the specified <paramref name="amount"/>,
/// ensuring that the new scroll value does not exceed the <paramref name="control"/>'s minimum or maximum
/// scroll values.
/// </summary>
/// <param name="control">
/// A scrollable control.
/// </param>
/// <param name="amount">
/// Number of pixels (positive or negative) to scroll.
/// </param>
public static void ScrollVerticallyBy(this ScrollableControl control, int amount)
{
control.SetVerticalScroll(control.VerticalScroll.Value + amount);
}