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   源码介绍

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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.Button button1;
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.Button button2;
		/// <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.button1 = new System.Windows.Forms.Button();
			this.listView1 = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.button2);
			this.groupBox1.Controls.Add(this.listView1);
			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(328, 168);
			this.groupBox1.TabIndex = 0;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "系统进程列表";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(24, 136);
			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);
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2});
			this.listView1.FullRowSelect = true;
			this.listView1.GridLines = true;
			this.listView1.Location = new System.Drawing.Point(16, 24);
			this.listView1.MultiSelect = false;
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(296, 104);
			this.listView1.TabIndex = 2;
			this.listView1.View = System.Windows.Forms.View.Details;
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "进程名";
			this.columnHeader1.Width = 100;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "程序窗口标题";
			this.columnHeader2.Width = 300;
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(176, 136);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(128, 23);
			this.button2.TabIndex = 3;
			this.button2.Text = "关闭指定应用程序";
			this.button2.Click  = new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(344, 182);
			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.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)
		{//获取系统当前正在运行的应用程序
			this.listView1.Items.Clear();
			Process[] MyProcesses=Process.GetProcesses();
			int i=0;
			foreach(Process MyProcess in MyProcesses)
			{//枚举系统进程
				if(MyProcess.MainWindowTitle.Length>1)
				{//显示带窗口的应用程序
					string Title=MyProcess.MainWindowTitle;					
					string []SubItems={MyProcess.ProcessName,Title};
					ListViewItem Item=new ListViewItem(SubItems);
					this.listView1.Items.Insert(i  ,Item);
				}				
			}		
			
		}		
		private void Form1_Load(object sender, System.EventArgs e)
		{
		  button1_Click(null,null);
		}

		private void button2_Click(object sender, System.EventArgs e)
		{//关闭指定应用程序
            ListViewItem Item=this.listView1.SelectedItems[0];
			string ProcessName=Item.Text;
			string Title=Item.SubItems[1].Text;
			if(MessageBox.Show("是否确认需要关闭应用程序：" Title "?","信息提示",MessageBoxButtons.YesNo,MessageBoxIcon.Question)==DialogResult.No)
			{
				return;
			}
			//取得指定进程
			Process[] MyProcess=Process.GetProcessesByName(ProcessName);			
			MyProcess[0].EnableRaisingEvents=true;
			//添加进程退出事件代理
			MyProcess[0].Exited =new EventHandler(button1_Click);
			//如果进程没有关闭
			if(!MyProcess[0].HasExited)
			{
				//如果关闭进程主窗口失败
				if(!MyProcess[0].CloseMainWindow())
				{
					if(MessageBox.Show("不能关闭应用程序窗口，需要继续终止进程吗？","信息提示",MessageBoxButtons.YesNo,MessageBoxIcon.Question)==DialogResult.Yes)
					{
						try
						{//关闭进程
							MyProcess[0].Kill();
						}
						catch(Exception Err)
						{
							MessageBox.Show("不能终止进程！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
						}
					}
				}
			}
			else
			{
				MessageBox.Show("进程已经关闭！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}			
		}
		
	}
}