C#实现显示CPU使用率与内存使用率

目录

• 实践过程
• 效果
• 代码

实践过程

效果

代码

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);
        //创建Graphics类对象
        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;

    }
}

partial class Form1
{
    /// 

    /// 必需的设计器变量。
    /// 
    private System.ComponentModel.IContainer components = null;

    /// 

    /// 清理所有正在使用的资源。
    /// 
    /// 如果应释放托管资源，为 true；否则为 false。
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows 窗体设计器生成的代码

    /// 

    /// 设计器支持所需的方法 - 不要
    /// 使用代码编辑器修改此方法的内容。
    /// 
    private void InitializeComponent()
    {
        this.components = new System.ComponentModel.Container();
        this.groupBox1 = new System.Windows.Forms.GroupBox();
        this.panel1 = new System.Windows.Forms.Panel();
        this.panel3 = new System.Windows.Forms.Panel();
        this.lblCPU = new System.Windows.Forms.Label();
        this.groupBox2 = new System.Windows.Forms.GroupBox();
        this.lblMuse = new System.Windows.Forms.Label();
        this.lblSum = new System.Windows.Forms.Label();
        this.pbMemoryUse = new System.Windows.Forms.ProgressBar();
        this.pbMemorySum = new System.Windows.Forms.ProgressBar();
        this.label2 = new System.Windows.Forms.Label();
        this.label1 = new System.Windows.Forms.Label();
        this.statusStrip1 = new System.Windows.Forms.StatusStrip();
        this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
        this.tsslNum = new System.Windows.Forms.ToolStripStatusLabel();
        this.toolStripStatusLabel3 = new System.Windows.Forms.ToolStripStatusLabel();
        this.toolStripStatusLabel4 = new System.Windows.Forms.ToolStripStatusLabel();
        this.tssluse = new System.Windows.Forms.ToolStripStatusLabel();
        this.timer1 = new System.Windows.Forms.Timer(this.components);
        this.groupBox3 = new System.Windows.Forms.GroupBox();
        this.lblVuse = new System.Windows.Forms.Label();
        this.lblVinfo = new System.Windows.Forms.Label();
        this.pbVmemoryuse = new System.Windows.Forms.ProgressBar();
        this.pbVmemorysum = new System.Windows.Forms.ProgressBar();
        this.label5 = new System.Windows.Forms.Label();
        this.label6 = new System.Windows.Forms.Label();
        this.groupBox1.SuspendLayout();
        this.panel1.SuspendLayout();
        this.groupBox2.SuspendLayout();
        this.statusStrip1.SuspendLayout();
        this.groupBox3.SuspendLayout();
        this.SuspendLayout();
        // 
        // groupBox1
        // 
        this.groupBox1.Controls.Add(this.panel1);
        this.groupBox1.Location = new System.Drawing.Point(8, 7);
        this.groupBox1.Name = "groupBox1";
        this.groupBox1.Size = new System.Drawing.Size(89, 206);
        this.groupBox1.TabIndex = 0;
        this.groupBox1.TabStop = false;
        this.groupBox1.Text = "CPU 使用";
        // 
        // panel1
        // 
        this.panel1.BackColor = System.Drawing.Color.Black;
        this.panel1.Controls.Add(this.panel3);
        this.panel1.Controls.Add(this.lblCPU);
        this.panel1.Location = new System.Drawing.Point(7, 16);
        this.panel1.Name = "panel1";
        this.panel1.Size = new System.Drawing.Size(74, 185);
        this.panel1.TabIndex = 0;
        // 
        // panel3
        // 
        this.panel3.BackColor = System.Drawing.Color.Green;
        this.panel3.Location = new System.Drawing.Point(26, 9);
        this.panel3.Name = "panel3";
        this.panel3.Size = new System.Drawing.Size(22, 154);
        this.panel3.TabIndex = 4;
        // 
        // lblCPU
        // 
        this.lblCPU.AutoSize = true;
        this.lblCPU.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
        this.lblCPU.ForeColor = System.Drawing.Color.Lime;
        this.lblCPU.Location = new System.Drawing.Point(24, 172);
        this.lblCPU.Name = "lblCPU";
        this.lblCPU.Size = new System.Drawing.Size(0, 12);
        this.lblCPU.TabIndex = 3;
        // 
        // groupBox2
        // 
        this.groupBox2.Controls.Add(this.lblMuse);
        this.groupBox2.Controls.Add(this.lblSum);
        this.groupBox2.Controls.Add(this.pbMemoryUse);
        this.groupBox2.Controls.Add(this.pbMemorySum);
        this.groupBox2.Controls.Add(this.label2);
        this.groupBox2.Controls.Add(this.label1);
        this.groupBox2.Location = new System.Drawing.Point(103, 7);
        this.groupBox2.Name = "groupBox2";
        this.groupBox2.Size = new System.Drawing.Size(321, 100);
        this.groupBox2.TabIndex = 1;
        this.groupBox2.TabStop = false;
        this.groupBox2.Text = "物理内存(K)";
        // 
        // lblMuse
        // 
        this.lblMuse.AutoSize = true;
        this.lblMuse.Location = new System.Drawing.Point(257, 61);
        this.lblMuse.Name = "lblMuse";
        this.lblMuse.Size = new System.Drawing.Size(41, 12);
        this.lblMuse.TabIndex = 7;
        this.lblMuse.Text = "label8";
        // 
        // lblSum
        // 
        this.lblSum.AutoSize = true;
        this.lblSum.Location = new System.Drawing.Point(257, 39);
        this.lblSum.Name = "lblSum";
        this.lblSum.Size = new System.Drawing.Size(41, 12);
        this.lblSum.TabIndex = 6;
        this.lblSum.Text = "label7";
        // 
        // pbMemoryUse
        // 
        this.pbMemoryUse.Location = new System.Drawing.Point(69, 61);
        this.pbMemoryUse.Name = "pbMemoryUse";
        this.pbMemoryUse.Size = new System.Drawing.Size(183, 13);
        this.pbMemoryUse.TabIndex = 4;
        // 
        // pbMemorySum
        // 
        this.pbMemorySum.Location = new System.Drawing.Point(69, 39);
        this.pbMemorySum.Name = "pbMemorySum";
        this.pbMemorySum.Size = new System.Drawing.Size(183, 13);
        this.pbMemorySum.TabIndex = 3;
        // 
        // label2
        // 
        this.label2.AutoSize = true;
        this.label2.Location = new System.Drawing.Point(19, 61);
        this.label2.Name = "label2";
        this.label2.Size = new System.Drawing.Size(53, 12);
        this.label2.TabIndex = 1;
        this.label2.Text = "可用数：";
        // 
        // label1
        // 
        this.label1.AutoSize = true;
        this.label1.Location = new System.Drawing.Point(31, 40);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(41, 12);
        this.label1.TabIndex = 0;
        this.label1.Text = "总数：";
        // 
        // statusStrip1
        // 
        this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
        this.toolStripStatusLabel1,
        this.tsslNum,
        this.toolStripStatusLabel3,
        this.toolStripStatusLabel4,
        this.tssluse});
        this.statusStrip1.Location = new System.Drawing.Point(0, 220);
        this.statusStrip1.Name = "statusStrip1";
        this.statusStrip1.Size = new System.Drawing.Size(432, 22);
        this.statusStrip1.TabIndex = 2;
        this.statusStrip1.Text = "statusStrip1";
        // 
        // toolStripStatusLabel1
        // 
        this.toolStripStatusLabel1.Name = "toolStripStatusLabel1";
        this.toolStripStatusLabel1.Size = new System.Drawing.Size(53, 17);
        this.toolStripStatusLabel1.Text = "进程数：";
        // 
        // tsslNum
        // 
        this.tsslNum.AutoSize = false;
        this.tsslNum.Name = "tsslNum";
        this.tsslNum.Size = new System.Drawing.Size(50, 17);
        this.tsslNum.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
        // 
        // toolStripStatusLabel3
        // 
        this.toolStripStatusLabel3.Font = new System.Drawing.Font("宋体", 10F);
        this.toolStripStatusLabel3.ForeColor = System.Drawing.Color.Gray;
        this.toolStripStatusLabel3.Name = "toolStripStatusLabel3";
        this.toolStripStatusLabel3.Size = new System.Drawing.Size(14, 17);
        this.toolStripStatusLabel3.Text = "|";
        // 
        // toolStripStatusLabel4
        // 
        this.toolStripStatusLabel4.Name = "toolStripStatusLabel4";
        this.toolStripStatusLabel4.Size = new System.Drawing.Size(65, 17);
        this.toolStripStatusLabel4.Text = "CPU 使用：";
        // 
        // tssluse
        // 
        this.tssluse.Name = "tssluse";
        this.tssluse.Size = new System.Drawing.Size(0, 17);
        // 
        // timer1
        // 
        this.timer1.Enabled = true;
        this.timer1.Interval = 1000;
        this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
        // 
        // groupBox3
        // 
        this.groupBox3.Controls.Add(this.lblVuse);
        this.groupBox3.Controls.Add(this.lblVinfo);
        this.groupBox3.Controls.Add(this.pbVmemoryuse);
        this.groupBox3.Controls.Add(this.pbVmemorysum);
        this.groupBox3.Controls.Add(this.label5);
        this.groupBox3.Controls.Add(this.label6);
        this.groupBox3.Location = new System.Drawing.Point(103, 113);
        this.groupBox3.Name = "groupBox3";
        this.groupBox3.Size = new System.Drawing.Size(321, 100);
        this.groupBox3.TabIndex = 3;
        this.groupBox3.TabStop = false;
        this.groupBox3.Text = "虚拟内存(K)";
        // 
        // lblVuse
        // 
        this.lblVuse.AutoSize = true;
        this.lblVuse.Location = new System.Drawing.Point(257, 61);
        this.lblVuse.Name = "lblVuse";
        this.lblVuse.Size = new System.Drawing.Size(41, 12);
        this.lblVuse.TabIndex = 9;
        this.lblVuse.Text = "label8";
        // 
        // lblVinfo
        // 
        this.lblVinfo.AutoSize = true;
        this.lblVinfo.Location = new System.Drawing.Point(257, 38);
        this.lblVinfo.Name = "lblVinfo";
        this.lblVinfo.Size = new System.Drawing.Size(41, 12);
        this.lblVinfo.TabIndex = 8;
        this.lblVinfo.Text = "label8";
        // 
        // pbVmemoryuse
        // 
        this.pbVmemoryuse.Location = new System.Drawing.Point(69, 60);
        this.pbVmemoryuse.Name = "pbVmemoryuse";
        this.pbVmemoryuse.Size = new System.Drawing.Size(183, 13);
        this.pbVmemoryuse.TabIndex = 4;
        // 
        // pbVmemorysum
        // 
        this.pbVmemorysum.Location = new System.Drawing.Point(69, 38);
        this.pbVmemorysum.Name = "pbVmemorysum";
        this.pbVmemorysum.Size = new System.Drawing.Size(183, 13);
        this.pbVmemorysum.TabIndex = 3;
        // 
        // label5
        // 
        this.label5.AutoSize = true;
        this.label5.Location = new System.Drawing.Point(19, 60);
        this.label5.Name = "label5";
        this.label5.Size = new System.Drawing.Size(53, 12);
        this.label5.TabIndex = 1;
        this.label5.Text = "可用数：";
        // 
        // label6
        // 
        this.label6.AutoSize = true;
        this.label6.Location = new System.Drawing.Point(31, 39);
        this.label6.Name = "label6";
        this.label6.Size = new System.Drawing.Size(41, 12);
        this.label6.TabIndex = 0;
        this.label6.Text = "总数：";
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(432, 242);
        this.Controls.Add(this.groupBox3);
        this.Controls.Add(this.statusStrip1);
        this.Controls.Add(this.groupBox2);
        this.Controls.Add(this.groupBox1);
        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
        this.MaximizeBox = false;
        this.MinimizeBox = false;
        this.Name = "Form1";
        this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text = "CPU使用率";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
        this.groupBox1.ResumeLayout(false);
        this.panel1.ResumeLayout(false);
        this.panel1.PerformLayout();
        this.groupBox2.ResumeLayout(false);
        this.groupBox2.PerformLayout();
        this.statusStrip1.ResumeLayout(false);
        this.statusStrip1.PerformLayout();
        this.groupBox3.ResumeLayout(false);
        this.groupBox3.PerformLayout();
        this.ResumeLayout(false);
        this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.GroupBox groupBox2;
    private System.Windows.Forms.Panel panel1;
    private System.Windows.Forms.StatusStrip statusStrip1;
    private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel1;
    private System.Windows.Forms.ToolStripStatusLabel tsslNum;
    private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel3;
    private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel4;
    private System.Windows.Forms.ToolStripStatusLabel tssluse;
    private System.Windows.Forms.Timer timer1;
    private System.Windows.Forms.Label lblCPU;
    private System.Windows.Forms.Panel panel3;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.ProgressBar pbMemoryUse;
    private System.Windows.Forms.ProgressBar pbMemorySum;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox3;
    private System.Windows.Forms.ProgressBar pbVmemoryuse;
    private System.Windows.Forms.ProgressBar pbVmemorysum;
    private System.Windows.Forms.Label label5;
    private System.Windows.Forms.Label label6;
    private System.Windows.Forms.Label lblMuse;
    private System.Windows.Forms.Label lblSum;
    private System.Windows.Forms.Label lblVuse;
    private System.Windows.Forms.Label lblVinfo;

}

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