[Closed] c++ Spline Detaching

Hi, I am trying to create a Spline Detach by using shape and segments. I am able to detach by shapes, but am unable to delete the original node without it losing the new spline. Is there a better way of doing this ? I also am unable to find anything on detaching by segments, but I take it I would have to redraw each segment ? is that correct or is there a faster way ? My detach by shapes code is below.

void PolyTools::GetSplinesDetach(){
 	ip = GetCOREInterface();
 	t = GetCOREInterface()->GetTime();
 	for (int i=0; i < ip->GetSelNodeCount(); i){
 		INode *node = ip->GetSelNode(i);
 		DetachSplinesByShape(node);
 		node->DeleteThis();
 	}
 
 	ip->FlushUndoBuffer();
 	ip->RedrawViews(ip->GetTime());
 }

void PolyTools::DetachSplinesByShape(INode *node){
 	ip = GetCOREInterface();
 	t = GetCOREInterface()->GetTime();
 
 	ObjectState os = node->EvalWorldState(t);
 
 	if (os.obj){
 		
 		Object* ob = os.obj;
 		BezierShape* bs = &((SplineShape*)ob)->shape;
 
 		if(bs->SplineCount() > 1){
 			for(int j = 0; j < bs->SplineCount(); j++){
 				SplineShape *shape = (SplineShape*)GetSplineShapeDescriptor()->Create(0);	
 				Spline3D* OldSpline = bs->GetSpline(j);
 				shape->shape.AddSpline(OldSpline);
 				shape->shape.UpdateSels();
 				INode *Splinenode = ip->CreateObjectNode (shape);
 				Splinenode->SetNodeTM(t, node->GetNodeTM(t));
 				Splinenode->SetObjOffsetPos(node->GetObjOffsetPos());
 				Splinenode->SetObjOffsetRot(node->GetObjOffsetRot());
 				Splinenode->SetObjOffsetScale(node->GetObjOffsetScale());
 				Splinenode->CenterPivot(ip->GetTime(), FALSE);
 				int R = rand() % 256;
 				int G = rand() % 256;
 				int B = rand() % 256;
 				Splinenode->SetWireColor(RGB(R, G, B));
 				TSTR name(_T("Just_Obj"));
 				ip->MakeNameUnique(name);
 				Splinenode->SetName(name);
 			}
 		}
 	}
 }