form1.cs

来自「c#网络编程及应用-刘瑞新」· CS 代码 · 共 170 行

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Diagnostics;
using System.Threading;


namespace EX9_1
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button buttonStart;
		private System.Windows.Forms.Button buttonStop;
		private System.Windows.Forms.Button buttonView;
		private System.Windows.Forms.ListBox listBox1;
		private System.Diagnostics.Process myProcess;
		/// <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.buttonStart = new System.Windows.Forms.Button();
			this.buttonStop = new System.Windows.Forms.Button();
			this.buttonView = new System.Windows.Forms.Button();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.myProcess = new System.Diagnostics.Process();
			this.SuspendLayout();
			// 
			// buttonStart
			// 
			this.buttonStart.Location = new System.Drawing.Point(24, 56);
			this.buttonStart.Name = "buttonStart";
			this.buttonStart.Size = new System.Drawing.Size(128, 23);
			this.buttonStart.TabIndex = 0;
			this.buttonStart.Text = "开始记事本";
			this.buttonStart.Click += new System.EventHandler(this.buttonStart_Click);
			// 
			// buttonStop
			// 
			this.buttonStop.Location = new System.Drawing.Point(24, 120);
			this.buttonStop.Name = "buttonStop";
			this.buttonStop.Size = new System.Drawing.Size(128, 23);
			this.buttonStop.TabIndex = 1;
			this.buttonStop.Text = "停止记事本";
			this.buttonStop.Click += new System.EventHandler(this.buttonStop_Click);
			// 
			// buttonView
			// 
			this.buttonView.Location = new System.Drawing.Point(24, 176);
			this.buttonView.Name = "buttonView";
			this.buttonView.Size = new System.Drawing.Size(128, 23);
			this.buttonView.TabIndex = 2;
			this.buttonView.Text = "观察所有进程";
			this.buttonView.Click += new System.EventHandler(this.buttonView_Click);
			// 
			// listBox1
			// 
			this.listBox1.ItemHeight = 12;
			this.listBox1.Location = new System.Drawing.Point(208, 24);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(208, 220);
			this.listBox1.TabIndex = 3;
			// 
			// myProcess
			// 
			this.myProcess.StartInfo.FileName = "Notepad.exe";
			this.myProcess.SynchronizingObject = this;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(448, 273);
			this.Controls.Add(this.listBox1);
			this.Controls.Add(this.buttonView);
			this.Controls.Add(this.buttonStop);
			this.Controls.Add(this.buttonStart);
			this.Name = "Form1";
			this.Text = "Form1";
			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 buttonStart_Click(object sender, System.EventArgs e)
		{
			//启动Notepad.exe进程。
			myProcess.Start();

		}

		private void buttonStop_Click(object sender, System.EventArgs e)
		{
			Process[] myProcesses;
			//创建新的Process组件的数组，并将它们与指定的进
			//程名称（Notepad）的所有进程资源相关联。
			myProcesses = Process.GetProcessesByName("Notepad"); 
			foreach (Process instance in myProcesses)
			{
				//设置终止当前线程前等待的毫秒数
				instance.WaitForExit(1000);
				instance.CloseMainWindow();
			}

		}

		private void buttonView_Click(object sender, System.EventArgs e)
		{
			this.listBox1.Items.Clear();
			Process[] processes;
			//创建Process类型的数组，并将它们与系统内所有进程相关联
			processes = Process.GetProcesses();
			foreach (Process p in processes)
			{
				//将每个进程名和进程开始时间加入listBox1中
				this.listBox1.Items.Add(p.ProcessName+" "+p.StartTime.ToShortTimeString());
			}

		}
	}
}