C#做的CPU内存使用率

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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 myobject in searcher.Get())            {                tssluse.Text = myobject["LoadPercentage"].ToString()+" %";                lblCPU.Text = myobject["LoadPercentage"].ToString() + " %";                mheight = Convert.ToInt32(myobject["LoadPercentage"].ToString());                if (mheight == 100)                    panel3.Height = 100;                CreateImage();                Memory();            }        }        private void Memory()        {            Microsoft.VisualBasic.Devices.Computer myInfo = new Microsoft.VisualBasic.Devices.Computer();            //获取物理内存总量            pbMemorySum.Maximum = Convert.ToInt32(myInfo.Info.TotalPhysicalMemory/1024/1024);            pbMemorySum.Value   = Convert.ToInt32(myInfo.Info.TotalPhysicalMemory/1024/1024);            lblSum.Text = (myInfo.Info.TotalPhysicalMemory / 1024).ToString();            //获取可用物理内存总量            pbMemoryUse.Maximum = Convert.ToInt32(myInfo.Info.TotalPhysicalMemory/1024/1024);            pbMemoryUse.Value   = Convert.ToInt32(myInfo.Info.AvailablePhysicalMemory/1024/1024);            lblMuse.Text = (myInfo.Info.AvailablePhysicalMemory / 1024).ToString();            //获取虚拟内存总量            pbVmemorysum.Maximum = Convert.ToInt32(myInfo.Info.TotalVirtualMemory/1024/1024);            pbVmemorysum.Value   = Convert.ToInt32(myInfo.Info.TotalVirtualMemory/1024/1024);            lblVinfo.Text = (myInfo.Info.TotalVirtualMemory / 1024).ToString();            //获取可用虚拟内存总量            pbVmemoryuse.Maximum = Convert.ToInt32(myInfo.Info.TotalVirtualMemory / 1024 / 1024);            pbVmemoryuse.Value = Convert.ToInt32(myInfo.Info.AvailableVirtualMemory/ 1024 / 1024);            lblVuse.Text = (myInfo.Info.AvailableVirtualMemory / 1024).ToString();        }        private void Form1_Load(object sender, EventArgs e)        {            CheckForIllegalCrossThreadCalls = false;            MyProcesses = Process.GetProcesses();            tsslNum.Text = MyProcesses.Length.ToString();            myUser();        }        private void timer1_Tick(object sender, EventArgs e)        {            MyProcesses = Process.GetProcesses();            tsslNum.Text = MyProcesses.Length.ToString();            td = new Thread(new ThreadStart(myUser));            td.Start();        }        private void Form1_FormClosed(object sender, FormClosedEventArgs e)        {            if (td != null)            {                td.Abort();            }        }        int mheight = 0;        private void CreateImage()        {            int i=panel3.Height/100;            Bitmap image = new Bitmap(panel3.Width,panel3.Height);            Graphics g = Graphics.FromImage(image);            g.Clear(Color.Green);            SolidBrush mybrush = new SolidBrush(Color.Lime);            g.FillRectangle(mybrush,0,panel3.Height-mheight*i,26,mheight*i);            panel3.BackgroundImage = image;        }    }}
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