在C＃中，WMI是更简单的方法。Win32_Process类具有ParentProcessId属性。这是一个例子：
using System;using System.Management; // <=== Add Reference required!!using System.Diagnostics;class Program { public static void Main() { var myId = Process.GetCurrentProcess().Id; var query = string.Format("SELECt ParentProcessId FROM Win32_Process WHERe ProcessId = {0}", myId); var search = new ManagementObjectSearcher("root\CIMV2", query); var results = search.Get().GetEnumerator(); results.MoveNext(); var queryObj = results.Current; var parentId = (uint)queryObj["ParentProcessId"]; var parent = Process.GetProcessById((int)parentId); Console.WriteLine("I was started by {0}", parent.ProcessName); Console.ReadLine(); }}从Visual Studio运行时的输出：
我由devenv开始
