文件操作，功能：合并、销毁、分割。我初学c#,在vs2003下写的小软件,将较大的文件分割,也可以将文件彻底销毁 -File operations, functions: merge, destruction, division. I am beginner c#, in vs2003 to write under a small software that will split large files, you can also completely destroy the file