gis 系统 vc 开发的简单入门级别的gis系统

学习的好资料。来源于网络，以事例形式出现，-A good learning materials. Derived from the network, examples of form,

Make the snake grow longer by directing it to the food. ％ Extra bonus points are given from hearts, eat them as fast as possible ％ as amount of bonus points decreases with time. ％ Higher level gives more points for the food but will also make it ％ tougher to steer a long snake as speed increaces. ％ Five different mazes as well as play w/o maze are possible.-Make the snake grow longer by directing it to the food. Extra bonus points are given from hearts, eat them as fast as possible as amount of bonus points decreases with time. Higher level gives more points for the food but will also make it tougher to steer a long snake as speed increaces. Five different mazes as well as play w/o maze are possible.

Source Code for Visual Basic

VB锁定电脑 防止其他人使用你的电脑 有多种保护模式 -VB lock computer to prevent others from using your computer has a variety of protected mode

串行端口是系统资源的一部分，其本质是作为CPU和串行设备间的编码转换器。当数据从 CPU经过串行端口发送出去时，字节数据转换为串行的位（Bit）; 接收数据时，串行的位被转换为字节数据。应用程序要使用串口进行通信，必须在使用之前向操作系统提出资源申请要求(即打开串口)，通信完成后再释放资源(即关闭串口)

C++写的成绩管理系统，需要的人可以拿去参考一下-C++ Write performance management system, those who need it can be taken to refer to

本书主要内容为一些经过验证的用来改善程序效率的方法，包括检验c++语言特性所带来的时间和空间上的成本。全面地描述了C++专家所使用的高级技术-The main contents of this book for a number of proven procedures used to improve the efficiency of methods, including test c++ Language features brought about by time and space costs. Comprehensive description of C++ Experts use advanced technology

深入编程内幕VC -depth Programming Insider VC-depth programming in sider VC-depth programming insider VC

本程序是在EVC上开发的串口通讯程序，能很好的和PC机进行通讯。是学习Windows CE嵌入式系统的一个很好的例子-This procedure was developed in EVC serial communication procedures, and the PC can be a very good machine to communicate. Learn Windows CE embedded system a very good example

pxa255的wince里的bootload程序，可以用于以态网下载，以太网芯片用的是csa89-Nicholson"s bootload procedures, which can be used to download state network, Ethernet chips using the csa89