VC++如何启用或禁用控件呢？通过本实例，您将学会如何去实现这一功能，代码简单，不管是新手或是有一定基础的VC++爱好者，都可以参考。-VC++ how to enable or disable controls it? Through this example, you will learn how to achieve this function, the code is simple, whether novice or have some basis for VC++ enthusias