if (request instanceof ChangeBoundsRequest){
ChangeBoundsRequest req = (ChangeBoundsRequest)request;
ContainedEditPart part = (ContainedEditPart)req.getEditParts().get(0);
Dimension newSize = model.getSize();
newSize.height = newSize.height + req.getSizeDelta().height;
newSize.height = newSize.width + req.getSizeDelta().width;
SetBoundsCommand sbc = new SetBoundsCommand(model.getEditingDomain(), "Resize Containee", new EObjectAdapter((View)part.getModel()), newSize);
return new ICommandProxy(sbc);