C#计算机性能参数

 Process proc = Process.GetCurrentProcess();
                    //string info = "内存：" +  (Environment.WorkingSet / (1024.0 * 1024.0)).ToString("f2")+"M ";
                    string info = "内存：" + (proc.WorkingSet64 / (1024.0 * 1024.0)).ToString("f2") + "M ";
                    using (var p2 = new PerformanceCounter("Process", "Working Set - Private", proc.ProcessName))
                    {
                        info = info + " 专用内存：" + (p2.NextValue() / (1024.0 * 1024.0)).ToString("f2") + "M";

                    }