using System.Diagnostics;



private bool CheckProcessExistanceByName(string processName)

       {

           bool ret = false;

           try

           {

               Process[] clsProcess = Process.GetProcessesByName(processName);



               if (clsProcess.Length > 0)

               {

                   ret = true;

               }

               else

               {

                   ret = false;

               }

           }

           catch (Exception e)

           {

               //

               ret = false;

           }

           return ret;

       }