print and preview of pdf file

using System; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks;  namespace PdfPrinter {     class Program     {         static void Main(string[] args)         {             string[] files = Directory.GetFiles(@"c:\temp");             foreach (string file in files.Where(                         file => file.ToUpper().Contains(".PDF")))             {                  Pdf.PrintPDFs(file);             }          }     }//END Class      public class Pdf     {         public static Boolean PrintPDFs(string pdfFileName)         {             try             {                 Process proc = new Process();                 proc.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;                 proc.StartInfo.Verb = "print";                  //Define location of adobe reader/command line                 //switches to launch adobe in "print" mode                 proc.StartInfo.FileName =                    @"C:\Program Files (x86)\Adobe\Reader 11.0\Reader\AcroRd32.exe";                 proc.StartInfo.Arguments = String.Format(@"/p /h {0}", pdfFileName);                 proc.StartInfo.UseShellExecute = false;                 proc.StartInfo.CreateNoWindow = true;                  proc.Start();                 proc.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;                 if (proc.HasExited == false)                 {                     proc.WaitForExit(10000);                 }                  proc.EnableRaisingEvents = true;                  proc.Close();                 KillAdobe("AcroRd32");                 return true;             }             catch             {                 return false;             }         }          //For whatever reason, sometimes adobe likes to be a stage 5 clinger.         //So here we kill it with fire.         private static bool KillAdobe(string name)         {             foreach (Process clsProcess in Process.GetProcesses().Where(                          clsProcess => clsProcess.ProcessName.StartsWith(name)))             {                  clsProcess.Kill();                  return true;             }             return false;         }     }//END Class }//END Namespace

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http://www.codeproject.com/Tips/598424/How-to-Silently-Print-PDFs-using-Adobe-Reader-and