在DOS下实现菜单的下拉与子菜单功能嵌套

VC小知识 学习VC＋＋时经常会遇到链接错误LNK2001，该错误非常讨厌，因为对于 编程者来说，最好改的错误莫过于编译错误，而一般说来发生连接错误时， 编译都已通过。产生连接错误的原因非常多，尤其LNK2001错误，常常使人不 明其所以然。如果不深入地学习和理解VC＋＋，要想改正连接错误LNK2001非 常困难。-VC small learning VC++ will always be wrong to link LNK2001 error of the hate, because programmers, the best thing is to change the wrong compiler error and the connection errors generally occur, the compiler have passed. Have connected the wrong reason is very large, especially LNK2001 wrong, and often unknown to these people. If not in-depth study and understanding of Visual C++, in order to correct the wrong connecting LNK2001 very difficult.

c++学习初步-c++ preliminary study

本程序是用turbo c写的考试管理系统 由电脑出题，可以计算出你的得分，并 进行排名-The program is a exam manage system with turbo c. The program gives out the problem and calculates your score and the place in a competition

中国移动通信信息资源站实体与互联网短消息网关接口协议 （V1.2）本规范为中国移动通信集团公司企业规范，规定信息资源站实体与互联网短消息网关的应用层接口协议。本协议版本为1.2版。 -China Mobile Communication Station Information Resources entities and Internet Short Message Gateway Interface Protocol (V1.2) of the norms China Mobile Communication Corporation standardize enterprises, Station provides information resources entities and Internet Short Message Gateway Application Layer Interface Protocol. The agreement Version 1.2 version.

vlan详解，需要的自己下载看看，学网络的都需要，-vlan explain the need to take a look at their own download, learning network needs,

我的记事本，请大家看看 本程序采用delphi编程，里面有可执行文件基本上采用了windows自带的那个记事本一样的风格，使用简单-It is my editor program.It is prommed with dephi.The style of the Exe file is same as the editor of windows.

有关JSP的技巧，如如何用jsp输出存在于oracle数据库Blob字段中的jpg图片，Jsp中数据bean的直接赋值，checkbox的jsp应用-the JSP skills, such as how to use jsp output oracle database exists in the field Blob jpg images, data bean Jsp the direct assignment, the checkbox jsp application etc.

.bmp 文件格式-. bmp file format

打印方面的程序-Print procedures

画一些简单的图元，箭头，折线、椭圆等元素的画图程序-Arrow.cpp Base.cpp DIB.cpp