C# 获取系统进程的用户名

using System.Diagnostics;
using System.Management;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 text1 = null;
SelectQuery query1 = new SelectQuery("Select * from Win32_Process WHERE processID=" + pID);
ManagementObjectSearcher searcher1 = new ManagementObjectSearcher(query1);
try
{
foreach (ManagementObject disk in searcher1.Get())
{
ManagementBaSEObject inPar = null;
ManagementBaSEObject outPar = null;
inPar = disk.GetMethodParameters("GetOwner");
outPar = disk.InvokeMethod("GetOwner",inPar,null);
text1 = outPar["User"].ToString();
break;
}
}
catch
{
text1 = "SYSTEM";
}
return text1;
}