CopyWavFile

通过用户交互的方式形成Delauny三角网，也可以通过读取点（txt）文件画tin并且输出三角网的每条边的起点，终点，线的斜率和截距(Using the way that users control the positions of the points so as to draw the TIN under the rule of Delauny.Besides,it allows the users that call the txt file which records the information of the points(x,y coordinate),namely ,the read function.Last users can output the information for the TIN s every line start point and end point and k,b information(y=kx+b) )

可以设定文件大小和路径的，随机生成一个设定大小的文件(this is A PROGRAM,which can make a file with random)

设置默认程序源码，例程程序使用写注册项的方法实现设置软件为打开文件的默认程序。(Set the default procedures, routine program with write-implemented method registries set up software to the default program to open the file .)

文档一体化系统是从档案管理的实际情况出发而研发的，总体上力求简明、实用和功能完备；操作风格上，尽可能地向大家所熟悉的微软产品靠近。它具有文档一体化功能，乡镇、机关档案室可以从收发文登记开始管理，以归档类目为桥梁，通过归档操作，最终完成归档工作。此系统启运方便快捷。(Document integration system is developed from the actual situation of archives management, and strives to be concise, practical and functional in general. In terms of operation style, it is as close as possible to Microsoft products that you are familiar with. It has the function of document integration. Township and government archives office can start management from the registration of receiving and receiving documents, take the archiving category as a bridge, and finally complete the archiving work through the archiving operation. This system is easy to operate.)

用指定内容替换文件中的指定内容，并将更改结果保存在当前文件中。(Replace the contents of the specified file with the specified content, and change the results stored in the current file.)

读取两个文件，比较其中的相同单词和出现次数及频率，并将结果保存到文件(Read the two documents, which compare the same words and the number and frequency of appearance, and save the results to a file)

一个简单的使用C#操作excel类的范例(C# excel class)

任意字符串转换为16进制数,内容简短,谢谢(string to hex)

批量修改文件创建时间、修改时间等的程序，用于刷新文件内容(bat change file time )

在一个目录下，查找包含指定字符串的行. 具体实在一些C++和C的文件，包括头文件和源码文件(in a directory,find the lines which include the special string)