此源码为在VC下实现的进程间通信的功能，在WINDOWS环境运行-this source of the VC under the inter-process communication functions in Windows operating environment

程序采用vc++编写，用来在不同进程中通信，采用WM_COPYDATA消息来传递数据，和其他进程通信相比，具有简单，强大的特点。-Using vc++ program written in different processes used to communicate, using WM_COPYDATA message to pass data, and other processes, communication, compared