c# 程序 打开 文件，.exe等

              System.Diagnostics.Process p = new Process();
                ProcessStartInfo si = new ProcessStartInfo();
                si.FileName = fileName;
                // si.Arguments = "-s " + hs.HostService.ID;
                //si.WorkingDirectory = Path.GetDirectoryName(fileName);
                si.WindowStyle = ProcessWindowStyle.Normal;
                si.UseShellExecute = true；//为true，则用默认的打开方式打开，如果是exe等，设置为false

                p.StartInfo = si;
                p.Start();