public void HtmlToMht(string src, string dst) <br> &nbsp; &nbsp; &nbsp; &nbsp; { <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; CDO.Message msg = new CDO.MessageClass(); <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; CDO.Configuration c = new CDO.ConfigurationClass(); <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; msg.Configuration = c; <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; msg.CreateMHTMLBody(src, CDO.CdoMHTMLFlags.cdoSuppressNone, "", "");&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ADODB.Stream stream = msg.GetStream(); <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; stream.SaveToFile(dst, ADODB.SaveOptionsEnum.adSaveCreateOverWrite);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; stream.Flush(); <br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; stream.Close();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br> &nbsp; &nbsp; &nbsp; &nbsp; } <br> 一旦调用这个函数后，这个源文件(src)就没办法删除了，提示文件正在被使用，用File.Delete(src)删除不了，手工删除这个文件也删不了， <br> 甚至连程序退出后这个文件还删不了，一定要把IIS重启或回收一下才可以删除，请教解决方法