FireVerticesMoved
(
ICollection<IVertex> oMovedVertices
)
{
Debug.Assert(oMovedVertices != null);
AssertValid();
VerticesMovedEventHandler oVerticesMoved = this.VerticesMoved;
if (oVerticesMoved != null)
{
oVerticesMoved( this,
new VerticesMovedEventArgs(oMovedVertices) );
}
}