/// <summary>
/// Implements any custom measuring behavior for the adorner.
/// </summary>
/// <param name="constraint">A size to constrain the adorner to.</param>
/// <returns>
/// A <see cref="T:System.Windows.Size"/> object representing the amount of layout space needed by the adorner.
/// </returns>
protected override Size MeasureOverride(Size constraint)
{
_ui.Measure(constraint);
return(_ui.DesiredSize);
}
