public UndoDummy(GRGEN_MODEL.INB addTarget, string elementToRemoveAgain, GRGEN_LIBGR.IGraph graph)
 {
     this.addTarget = addTarget;
     this.elementToRemoveAgain = elementToRemoveAgain;
     this.graph = (GRGEN_LIBGR.INamedGraph)graph;
 }
 public UndoDummy(GRGEN_MODEL.INB addTarget, string elementToRemoveAgain, GRGEN_LIBGR.IGraph graph)
 {
     this.addTarget            = addTarget;
     this.elementToRemoveAgain = elementToRemoveAgain;
     this.graph = (GRGEN_LIBGR.INamedGraph)graph;
 }