求修改文件名的的API
求API或的思路！

[解决办法]
试一下这个:

C/C++ code

1,定义扩展函数:Function ulong MoveFile(ref string lpExistingFileName,ref string lpNewFileName) LIBRARY "kernel32.dll" ALIAS FOR "MoveFileA"2,引用:string o,no = 'c:\KwDownload\aa.xls'n = 'c:\KwDownload\b.xls1'movefile(o,n)