AEMManager.AemActions.KillProcessAndChildrens C# (CSharp) Method

        private static void KillProcessAndChildrens(int pid, AemInstance instance)
        {
            ManagementObjectSearcher processSearcher = new ManagementObjectSearcher
            ("Select * From Win32_Process Where ParentProcessID=" + pid);
              ManagementObjectCollection processCollection = processSearcher.Get();

              try {
            Process proc = Process.GetProcessById(pid);
            if (proc != null && !proc.HasExited) {
              mLog.Debug("Killing process #" + pid + " for instance " + instance.Name);
              proc.Kill();
            }
              }
              catch (ArgumentException) {
            // Process already exited.
              }

              if (processCollection != null) {
            foreach (ManagementObject mo in processCollection) {
              // kill child processes(also kills childrens of childrens etc.)
              KillProcessAndChildrens(Convert.ToInt32(mo["ProcessID"]), instance);
            }
              }
        }