读取dxf格式的程序，演示，可以很容易扩展。

有1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？-1,2,3,4 there is a figure that can vary the composition of the number of duplicate and without the three-digit figure? How many are?

C#操作Excel -C# Operation Excel C# Operation Excel

可以用此代码播放自己想听的WAV和MIDI声音文件以及系统声音文件。软件虽小但用处很大-can use this code to listen to the players themselves WAV and MIDI sound files and the system sound files. Software is a small but very useful

文件合并分离器，平时看到很多文件捆绑器，可是要分析其程序必须要分离，从网上找到的不是太好用，也不可控，就自己做了1个-merger document separator, usually see a lot of paper-bound, but should analyze its procedures must be separated from the Internet is not handy, nor controllable, it had become a

本系统支持系统用户，来宾用户，当输入用户名为： jeny 密码：123 时为系统用户，可以对系统进行 所有操作；输入用户名：guest 无需输入密码时，只能显示数据，不能修改，增删数据等。-the system to support users of the system, the guests users when the input user name : jeny Password : 123 for users of the system when, all of the system operation; Input Username : guest without a password, they can only display the data, and no amendment to delete data.

类Excel（全部使用VB编写）-Excel category (all prepared using VB)

数据结构haffuman 实验的源程序 包含encode.h weitfile.h 等等 -Data structure that contains the source code haffuman experiment encode.h weitfile.h, etc.

用VC编写的将elf文件转化为bin文件的程序，可以用来转化elf文件为二进制可执行文件-This program can change elf file into bin file.

这是一个文件操作的相关动态库，函数调用方式参照代码，里面封装了对文件的一写操作，在开发文件服务器的时候会有一定的帮助！-This is a document related to the operation of dynamic libraries, function call form the light source inside a package of documents of a write operation, in the development of file server will help!

好的XML文件读写程序，不错不错 希望能给大家带来帮助。-Good to read and write XML documents procedures, good good hope that they will be helpful to everyone.