internal void AdornSelectedElement(ElementModelContainer elementContainer)
        {
            RemoveAdorner();

            if (elementContainer.Element == null)
            {
                return;
            }

            currentAdorner = new AdornedElement(elementContainer, RelationshipCanvas);
            currentAdorner.ElementContainerControl.Element.Deleted += AdornedElementDeleted;
            currentAdorner.DrawRelationships();
        }
        internal void AdornSelectedElement(ElementModelContainer elementContainer)
        {
            RemoveAdorner();

            if (elementContainer.Element == null) return;

            currentAdorner = new AdornedElement(elementContainer, RelationshipCanvas);
            currentAdorner.ElementContainerControl.Element.Deleted += AdornedElementDeleted;
            currentAdorner.DrawRelationships();
        }