form1.cs

Csharp实例编程百例.rar

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

namespace ControlProcessApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ToolBarButton toolBarButton1;
		private System.Windows.Forms.ToolBarButton toolBarButton3;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.ColumnHeader columnHeader4;
		private System.Windows.Forms.ToolBarButton toolBarButton2;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.ListView lvProcess;
		private System.ComponentModel.IContainer components;

		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 Form Designer generated code
		/// <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.components = new System.ComponentModel.Container();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton3 = new System.Windows.Forms.ToolBarButton();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.lvProcess = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
			this.toolBarButton2 = new System.Windows.Forms.ToolBarButton();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			this.SuspendLayout();
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarButton1,
																						this.toolBarButton2,
																						this.toolBarButton3});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(312, 38);
			this.toolBar1.TabIndex = 1;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.Text = "新建进程";
			// 
			// toolBarButton3
			// 
			this.toolBarButton3.Text = "退出程序";
			// 
			// openFileDialog1
			// 
			this.openFileDialog1.Filter = "可执行文件(*.exe)|*.exe";
			// 
			// lvProcess
			// 
			this.lvProcess.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2,
																						this.columnHeader3,
																						this.columnHeader4});
			this.lvProcess.Dock = System.Windows.Forms.DockStyle.Fill;
			this.lvProcess.Location = new System.Drawing.Point(0, 38);
			this.lvProcess.MultiSelect = false;
			this.lvProcess.Name = "lvProcess";
			this.lvProcess.Size = new System.Drawing.Size(312, 223);
			this.lvProcess.TabIndex = 2;
			this.lvProcess.View = System.Windows.Forms.View.Details;
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "名称";
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "PID";
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "CPU时间";
			// 
			// columnHeader4
			// 
			this.columnHeader4.Text = "占用内存";
			// 
			// toolBarButton2
			// 
			this.toolBarButton2.Text = "结束进程";
			// 
			// timer1
			// 
			this.timer1.Enabled = true;
			this.timer1.Interval = 1000;
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(312, 261);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.lvProcess,
																		  this.toolBar1});
			this.Name = "Form1";
			this.Text = "Process Manager";
			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 toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			switch (toolBar1.Buttons .IndexOf (e.Button ))
			{
				case 0:	//新建进程
					MyStartProcess();
					break;
				case 1:	//停止进程
					MyStopProcess();
					break;
				case 2:	//退出程序
					MyQuit();
					break;
			}
		}


		private void MyStartProcess()
		{	//打开可执行文件
			if ((openFileDialog1.ShowDialog()==DialogResult.OK)&&(openFileDialog1.FileName != null))
			{
				//使用Process.Start()方法创建进程
				Process newp = Process.Start (openFileDialog1.FileName );
				if (newp!= null)
				{
					//使用Process类的属性，获得各项进程数据
					string[] subItem = 
					{
						newp.ProcessName ,	//进程名字
						newp.Id.ToString(),	//进程号
						newp.TotalProcessorTime.ToString (),		 //占用处理器时间
						String.Format ("{0:N}K",newp.WorkingSet/1024)//占用物理内存
					};
					//向ListView中添加进程数据
					listView1.Items .Add(new ListViewItem(subItem));
				}
			}
		}
		private void MyStopProcess()
		{
			if (listView1.SelectedItems .Count >0)
			{	//停止选定的进程，删除所在项
				MyListDel(listView1.SelectedItems [0]);
			}
		}
		private void MyQuit()
		{	//停止列表中所有进程，然后退出
			foreach (ListViewItem item in listView1.Items )
			{
				MyListDel(item);
			}
			Application.Exit ();
		}

		private void MyListDel(ListViewItem item)
		{	
			int Pid = int.Parse (item.SubItems [1].Text);
			//由进程id获得进程
			Process p = Process.GetProcessById (Pid);
			try 
			{	//关闭进程主界面
				p.CloseMainWindow();
			}
			catch(Exception ex)
			{
				if (MessageBox.Show (ex.Message ,"是否立即停止？",MessageBoxButtons.YesNo )==DialogResult.Yes )
				{	//立即关闭进程
					p.Kill ();
				}
			}
			finally
			{	//删除列表中的项
				listView1.Items .Remove (item);
			}
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{	//定时更新进程列表
			MyListRefresh();
		}

		private void MyListRefresh()
		{	//检查列表中每一个进程
			foreach (ListViewItem item in listView1.Items )
			{
				int Pid = int.Parse (item.SubItems [1].Text);
				try 
				{	//试图由进程id得到进程的引用
					Process p = Process.GetProcessById (Pid);
					item.SubItems[2].Text  = p.TotalProcessorTime .ToString ();
					item.SubItems [3].Text = String.Format ("{0:N}K",p.WorkingSet/1024);
				}
				catch{
					//如果进程不存在，则删除对应项
					listView1.Items .Remove (item);
				}
			}
		}
	}
}