有一种按键，看起来是一幅完整的图片，当鼠标移到按键区域时，图片的一部分凸现，形成一个按键，当鼠标移走时又恢复原来状态，本文介绍在VC中透明浮动按键的实现，并给出了代码实现。 -There is a button, it seems a complete picture, when the mouse moved to the button area, the picture highlights a part of the formation of a button, when the mouse is removed and restore the original state, this article describes the VC transparent floating button to achieve, And gives the code to achieve.