public void ShowPropertiesFor(UML.MultiplicityElement element)
{
_multiplicityElement = element;
_orderedViewer.ShowPropertyValueFor(element);
_uniqueViewer.ShowPropertyValueFor(element);
_lower.Text = element.Lower.ToString();
_upper.Text = element.Upper.ToString();
}
public new void Hide()
{
_multiplicityElement = null;
base.Hide ();
}