/// <summary>
/// Performs a hit test against the specified visual and returns the topmost descendant
/// which contains the specified point.
/// </summary>
/// <param name="reference">The visual on which to perform a hit test.</param>
/// <param name="point">The point to evaluate.</param>
/// <returns>The topmost <see cref="Visual"/> which contains the specified point, or <see langword="null"/>.</returns>
public static Visual HitTest(Visual reference, Point2D point)
{
Contract.Require(reference, nameof(reference));
return(reference.HitTest(point));
}
