C#做的CPU内存使用率

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Threading;
using System.Runtime.InteropServices;
using System.Management;
namespace CPU_Detect
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Process[] MyProcesses;
        Thread td;
        private void myUser()
        {
            ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_Processor");
            foreach (ManagementObject myobjec