understand the principle mechanism news!

这两个程序通过并行（或串行）端口将数据发送到一个7段显示器。可设置的参数包括：波特率，奇偶校验，延迟等

EVC环境下用SDK开发WINCE的应用程序， 基于SDK，完全实现窗口的事件处理。 对于学习WINCE应用开发的学习者来说， 是个很好的学习例子！-EVC environment WINCE using SDK to develop applications, based on the SDK, the full realization of the events of the window treatment. WINCE application development for the learning of the learners, it is a good example to learn!

桌面烟花面烟花圣诞礼物－－桌面烟花-desktop fireworks-fireworks Christmas gifts-- desktop fireworks

如何用ffmpeg编写一个简单播放器详细步骤介绍及源码，压缩包内含有详细文档介绍以及源代码，好资源。

文字的颜色渐变的源程序-text color gradient of the source

一个小小的赛车游戏的源程序，有兴趣的朋友可以试一试！挺好玩的！-a tiny racing game source code. please play this game if you are interested in it. it has so much fun.

一个共享软件注册的解决方案的例子--An example of the solution of shared software register

关于频率选择性信道的仿真,对做通信系统仿真的朋友很有帮助,已经经过调试.-of frequency selective access to the simulation, done on the communications system simulation helpful friends, after debugging.

ping 的程序，支持多种设置，包大小，时长-ping procedures, to support a variety of settings, packet size, length of time

简单管道通信，介绍了如何通过pipe实现父子进程间的通信-Simple pipeline communications, through the introduction pipe realize how the process of communication between father and son