C#获取进程对应的用户名

static void Main(string[] args)
        {
            foreach (Process p in Process.GetProcesses())
            {
                Console.Write(p.ProcessName);
                Console.Write("----");
                Console.WriteLine(GetProcessUserName(p.Id));
            }
            Console.ReadKey();
        }

private static string GetProcessUserName(int pID)
       {
           string userName = string.Empty;
 
           try
           {
               foreach (ManagementObject item in new ManagementObjectSearcher("Select * from Win32_Process WHERE processID=" + pID).Get())
               {
                   ManagementBaseObject inPar = null;
                   ManagementBaseObject outPar = null;
 
                   inPar = item.GetMethodParameters("GetOwner");
                   outPar = item.InvokeMethod("GetOwner", inPar, null);
 
                   userName = Convert.ToString(outPar["User"]);
 
                   break;
               }
           }
           catch
           {
               userName = "SYSTEM";
           }
 
           return userName;
       }