public override void RevertChange(GeometryChange ch) { }
protected virtual void OnGeometryChanged(GeometryModel model, GeometryChange change) { if (Geometry_Changed != null) { Geometry_Changed(model, change); } }
private void Point_Moved(GeometryModel origin, GeometryChange change) { OnGeometryChanged(this, new GeometryChange()); }
public abstract void RevertChange(GeometryChange ch);