计算文件的MD5结果，可以对比文件是否被更改过。

功能是在Excel格式文件中读取学生的E-mail地址、成绩、姓名等信息，然后调用Jmail链接库函数实现学生成绩单的邮件群发.并加入了一些出错处理-Function in Excel format students read E-mail address, success, name and other information, and then call Jmail link library function of the mass-mailing transcripts of students. And add some error handling

实现windows下目录和文件的创建、删除和更名，可视化界面-achieve windows directories and files under the creation, deletion and renaming of Visual Interface

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datawindow转换为excel表格-datawindow converted to excel forms

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输入某年某月某日，判断这一天是这一年的第几天？-The importation of a certain period of a day, this is the one to judge the first few days this year?

用PB调用API访问文件夹,有一些毛病，在WINDOWS简体中文当中，显示为繁体中文-API call with PB visit folder, there are some problems in Windows Simplified Chinese, Traditional Chinese shows

一个从exe、dll文件中提取、存取图标完整程序-from an exe, dll file extraction and retrieval procedures icon integrity

this document file contain articles about machine diagnostics

一个非常不错的文本编辑器，运行平台为Linux希望大家用了以后多做评价-a very good text editor, running the Linux platform for us to want to do more evaluation of the future