本程序是统计大文件特殊字段的通用MFC实现，解决了现在能搜到的大部分文件映射错误。多线程处理，速度快，容错性好。-This program is a special field of statistics large files common MFC, can now be found to solve the majority of file mapping error. Multi-threaded processing speed, fault tolerance is good.

可以将一个文件反复覆盖3次再删除，拥有多线程技术，简单的文件操作、随机数等。mfc制作，可供学习。-You can overwrite a file repeated 3 times and then deleted, with multi-threading technology, simple file operations, random numbers. mfc produced for learning.