vc下实现hook全局键盘鼠标事件的demo，hook到之后没有做具体操作。-vc under the overall implementation hook keyboard and mouse events demo, hook to NOT to do after the concrete operation.

该程序是利用vc开发的程序,是同性操作的一个经典实例,介绍具体,值得借鉴,-The program was developed by using vc program, is a classic example of same-sex operation, introduces concrete, worthy of reference,

本程序实现了数学上两点之间的求距离的算法,与具体的实现过程,-This procedure achieved mathematical algorithm of distance between two points, and the concrete implementation process,