是否有一个属性我可以添加到类中，因此它将被编辑为代码，而不是在设计器中？

I've made a class which inherits from UserControl, but which I only want to use as a base for subclasses. Is there a way I can stop VS2008 from trying to edit it in the designer, that won't stop the subclasses from being edited in the designer?I've made a class which inherits from UserContr