vc button控件，gif按钮，按钮上显示gif动画，使用了 cpictureex 控件显示动画-vc button controls, gif button, the button displayed on gif animation, the use of animation shows cpictureex Controls

参考网上的资料，很全且能实现按钮的动态变换，只需重用这个类就可以把gif动画置于按钮上-Refer to online information, it is full and can achieve the dynamic change button, simply reuse of this class can be placed on the button to gif animation