Print Excel File In Selected Printer in Xp and Vista

Process p = new Process();
          
if (this.printDialog1.ShowDialog() == DialogResult.OK)
{
     ProcessStartInfo info = new ProcessStartInfo();
     info.FileName = sFilePath;
     info.CreateNoWindow = true;
     info.UseShellExecute = true;

     //info.Arguments = this.printDialog1.PrinterSettings.PrinterName;
                    
     info.Arguments = "\"\\\\" + Dns.GetHostName() + "\\" + printDialog1.PrinterSettings.PrinterName + "\"";

     info.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                       
     p.StartInfo = info;
     bool sdfvgfs=   p.Start();
     p.Close();
}