C# 获取应用程序内存

double usedMemory = 0;

            Process p = Process.GetProcesses().Where(x => x.ProcessName.Contains("进程名")).FirstOrDefault();

            if (p != null)

            {

                p.Refresh();

                string procName = p.ProcessName;

                using (PerformanceCounter pc = new PerformanceCounter("Process", "Working Set - Private", procName))

                {

                    usedMemory = pc.NextValue() / 1024.0 / 1024.0;

                }

            }