form1.cs

可方便地获得当前系统正在执行的进程

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Diagnostics; 
namespace SystemProcess
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.Label label7;
		private System.Windows.Forms.Label label8;
		private System.Windows.Forms.Label label9;
		private System.Windows.Forms.Label label10;
		private System.Windows.Forms.Label label11;
		private System.Windows.Forms.Label label12;
		private System.Windows.Forms.Label label13;
		private System.Windows.Forms.Label label14;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.ListBox listBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 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。
		/// </summary>
		private void InitializeComponent()
		{
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.button1 = new System.Windows.Forms.Button();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.label14 = new System.Windows.Forms.Label();
			this.label13 = new System.Windows.Forms.Label();
			this.label12 = new System.Windows.Forms.Label();
			this.label11 = new System.Windows.Forms.Label();
			this.label10 = new System.Windows.Forms.Label();
			this.label9 = new System.Windows.Forms.Label();
			this.label8 = new System.Windows.Forms.Label();
			this.label7 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.listBox1);
			this.groupBox1.Controls.Add(this.button1);
			this.groupBox1.Location = new System.Drawing.Point(8, 8);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(144, 256);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "系统进程列表";
			// 
			// listBox1
			// 
			this.listBox1.ItemHeight = 12;
			this.listBox1.Location = new System.Drawing.Point(8, 16);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(128, 196);
			this.listBox1.TabIndex = 2;
			this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(8, 224);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(128, 23);
			this.button1.TabIndex = 1;
			this.button1.Text = "更新系统进程信息";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.label14);
			this.groupBox2.Controls.Add(this.label13);
			this.groupBox2.Controls.Add(this.label12);
			this.groupBox2.Controls.Add(this.label11);
			this.groupBox2.Controls.Add(this.label10);
			this.groupBox2.Controls.Add(this.label9);
			this.groupBox2.Controls.Add(this.label8);
			this.groupBox2.Controls.Add(this.label7);
			this.groupBox2.Controls.Add(this.label6);
			this.groupBox2.Controls.Add(this.label5);
			this.groupBox2.Controls.Add(this.label4);
			this.groupBox2.Controls.Add(this.label3);
			this.groupBox2.Controls.Add(this.label2);
			this.groupBox2.Controls.Add(this.label1);
			this.groupBox2.Location = new System.Drawing.Point(160, 8);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(192, 256);
			this.groupBox2.TabIndex = 1;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "被选择的系统进程信息";
			// 
			// label14
			// 
			this.label14.Location = new System.Drawing.Point(8, 232);
			this.label14.Name = "label14";
			this.label14.Size = new System.Drawing.Size(168, 16);
			this.label14.TabIndex = 13;
			this.label14.Text = "虚拟内存：";
			// 
			// label13
			// 
			this.label13.Location = new System.Drawing.Point(8, 216);
			this.label13.Name = "label13";
			this.label13.Size = new System.Drawing.Size(168, 16);
			this.label13.TabIndex = 12;
			this.label13.Text = "物理内存：";
			// 
			// label12
			// 
			this.label12.Location = new System.Drawing.Point(8, 200);
			this.label12.Name = "label12";
			this.label12.Size = new System.Drawing.Size(168, 16);
			this.label12.TabIndex = 11;
			this.label12.Text = "未分页系统内存：";
			// 
			// label11
			// 
			this.label11.Location = new System.Drawing.Point(8, 184);
			this.label11.Name = "label11";
			this.label11.Size = new System.Drawing.Size(168, 16);
			this.label11.TabIndex = 10;
			this.label11.Text = "分页内存：";
			// 
			// label10
			// 
			this.label10.Location = new System.Drawing.Point(8, 168);
			this.label10.Name = "label10";
			this.label10.Size = new System.Drawing.Size(168, 16);
			this.label10.TabIndex = 9;
			this.label10.Text = "分页虚拟内存：";
			// 
			// label9
			// 
			this.label9.Location = new System.Drawing.Point(8, 152);
			this.label9.Name = "label9";
			this.label9.Size = new System.Drawing.Size(168, 16);
			this.label9.TabIndex = 8;
			this.label9.Text = "峰值分页内存：";
			// 
			// label8
			// 
			this.label8.Location = new System.Drawing.Point(8, 136);
			this.label8.Name = "label8";
			this.label8.Size = new System.Drawing.Size(168, 16);
			this.label8.TabIndex = 7;
			this.label8.Text = "峰值虚拟内存：";
			// 
			// label7
			// 
			this.label7.Location = new System.Drawing.Point(8, 120);
			this.label7.Name = "label7";
			this.label7.Size = new System.Drawing.Size(168, 16);
			this.label7.TabIndex = 6;
			this.label7.Text = "专用内存：";
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(8, 104);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(168, 16);
			this.label6.TabIndex = 5;
			this.label6.Text = "启动时间：";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(8, 88);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(168, 16);
			this.label5.TabIndex = 4;
			this.label5.Text = "线程优先级：";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(8, 72);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(168, 16);
			this.label4.TabIndex = 3;
			this.label4.Text = "CPU占用时间：";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(8, 56);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(168, 16);
			this.label3.TabIndex = 2;
			this.label3.Text = "启动线程数：";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 40);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(168, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "进程ID：";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(168, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "进程映像名：";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(360, 270);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.groupBox1);
			this.MaximizeBox = false;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "演示获取系统进程信息";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.groupBox1.ResumeLayout(false);
			this.groupBox2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		private void button1_Click(object sender, System.EventArgs e)
		{//获取系统当前所有进程
		   this.listBox1.Items.Clear();
			Process[] MyProcesses=Process.GetProcesses();
			foreach(Process MyProcess in MyProcesses)
			{
				this.listBox1.Items.Add(MyProcess.ProcessName);				
			}		
			this.listBox1.SelectedIndex=0;
		}

		private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{//显示选择的系统进程详细信息
			try
			{
				string ProcessName=this.listBox1.Text;
				this.groupBox2.Text=ProcessName+"进程的详细信息";			
				Process[] MyProcess=Process.GetProcessesByName(ProcessName);
				this.label1.Text="进程映像名："+MyProcess[0].ProcessName;
				this.label2.Text="进程ID："+MyProcess[0].Id;
				this.label3.Text="启动线程数："+MyProcess[0].Threads.Count.ToString();
				this.label4.Text="CPU占用时间："+MyProcess[0].TotalProcessorTime.ToString();
				this.label5.Text="线程优先级："+MyProcess[0].PriorityClass.ToString();
				this.label6.Text="启动时间："+MyProcess[0].StartTime.ToLongTimeString();
				this.label7.Text="专用内存："+(MyProcess[0].PrivateMemorySize/1024).ToString()+"K";
				this.label8.Text="峰值虚拟内存："+(MyProcess[0].PeakVirtualMemorySize/1024).ToString()+"K";
				this.label9.Text="峰值分页内存："+(MyProcess[0].PeakPagedMemorySize/1024).ToString()+"K";
				this.label10.Text="分页系统内存："+(MyProcess[0].PagedSystemMemorySize/1024).ToString()+"K";
				this.label11.Text="分页内存："+(MyProcess[0].PagedMemorySize/1024).ToString()+"K";
				this.label12.Text="未分页系统内存："+(MyProcess[0].NonpagedSystemMemorySize/1024).ToString()+"K";
				this.label13.Text="物理内存："+(MyProcess[0].WorkingSet/1024).ToString()+"K";
				this.label14.Text="虚拟内存："+(MyProcess[0].VirtualMemorySize/1024).ToString()+"K";
			}
			catch(Exception Err)
			{
              //不处理产生的异常
			}
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
		  button1_Click(null,null);
		}
		
	}
}