C#实现显示CPU使用率与内存使用率

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; }