form1.cs

《c#技术内幕代码》

namespace Ch12_6
{
    using System;
    using System.Drawing;
    using System.Collections;
    using System.ComponentModel;
    using System.Windows.Forms;
    using System.Data;
	using System.Diagnostics;

    /// <summary>
    ///    Summary description for Form1.
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        /// <summary>
        ///    Required designer variable.
        /// </summary>
		private System.Windows.Forms.ColumnHeader VirtualMemory;
		private System.Windows.Forms.ColumnHeader Priority;
		private System.Windows.Forms.ColumnHeader Id;
		private System.Windows.Forms.Label machinename;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.ListBox listBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader ThreadID;
		private System.Windows.Forms.ColumnHeader ThreadPriority;
		private System.Windows.Forms.ColumnHeader ProcessorTime;
		private ArrayList sProcIds;

        public Form1()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

			sProcIds = new ArrayList();

			// First, fill in the machine name
			machinename.Text = Process.GetCurrentProcess().MachineName;

			// Now, load the processes
			Process[] sProcess = Process.GetProcesses();
			foreach( Process p in sProcess )
			{
				listBox1.Items.Add( p.ProcessName );
				sProcIds.Add( p.Id );
			}
        }

        /// <summary>
        ///    Clean up any resources being used.
        /// </summary>
        public override void Dispose()
        {
            base.Dispose();
        }

        /// <summary>
        ///    Required method for Designer support - do not modify
        ///    the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.machinename = new System.Windows.Forms.Label();
			this.ThreadPriority = new System.Windows.Forms.ColumnHeader();
			this.ThreadID = new System.Windows.Forms.ColumnHeader();
			this.VirtualMemory = new System.Windows.Forms.ColumnHeader();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.listView1 = new System.Windows.Forms.ListView();
			this.ProcessorTime = new System.Windows.Forms.ColumnHeader();
			this.Priority = new System.Windows.Forms.ColumnHeader();
			this.Id = new System.Windows.Forms.ColumnHeader();
			this.button1 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(88, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "Machine name:";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 48);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(100, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "Running Processes:";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 184);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(100, 16);
			this.label3.TabIndex = 3;
			this.label3.Text = "Threads:";
			// 
			// machinename
			// 
			this.machinename.Location = new System.Drawing.Point(128, 16);
			this.machinename.Name = "machinename";
			this.machinename.Size = new System.Drawing.Size(100, 16);
			this.machinename.TabIndex = 6;
			// 
			// ThreadPriority
			// 
			this.ThreadPriority.Text = "Priority";
			// 
			// ThreadID
			// 
			this.ThreadID.Text = "Thread ID";
			// 
			// VirtualMemory
			// 
			this.VirtualMemory.Text = "Virtual Mem";
			// 
			// listBox1
			// 
			this.listBox1.Location = new System.Drawing.Point(16, 80);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(408, 95);
			this.listBox1.TabIndex = 2;
			this.listBox1.SelectedIndexChanged += new System.EventHandler(this.SelectItemHandler);
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.ThreadID,
																						this.ThreadPriority,
																						this.ProcessorTime});
			this.listView1.Location = new System.Drawing.Point(16, 200);
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(408, 97);
			this.listView1.TabIndex = 7;
			// 
			// ProcessorTime
			// 
			this.ProcessorTime.Text = "Processor Time";
			this.ProcessorTime.Width = 90;
			// 
			// Priority
			// 
			this.Priority.Text = "Priority";
			// 
			// Id
			// 
			this.Id.Text = "ID";
			this.Id.Width = 20;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(352, 312);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(64, 24);
			this.button1.TabIndex = 5;
			this.button1.Text = "Close";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(440, 349);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.listView1,
																		  this.machinename,
																		  this.button1,
																		  this.label3,
																		  this.listBox1,
																		  this.label2,
																		  this.label1});
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}

		protected void SelectItemHandler (object sender, System.EventArgs e)
		{
			int idx = this.listBox1.SelectedIndex;
			// Get the threads for this process id
			Process proc = Process.GetProcessById( (int)sProcIds[ idx ] );
			ProcessThreadCollection procThreads = proc.Threads;
			this.listView1.View = System.Windows.Forms.View.Details;
			this.listView1.Items.Clear();
			int nRow = 0;
			foreach ( ProcessThread pt in procThreads )
			{
				string priority = "Normal";
				switch ( (int)proc.BasePriority )
				{
					case 8:
						priority = "Normal";
						break;
					case 13:
						priority = "High";
						break;
					case 24:
						priority = "Real Time";
						break;
					case 4:
					default:
						priority = "Idle";
						break;
				}
				this.listView1.Items.Add( pt.Id.ToString() );
				this.listView1.Items[nRow].SubItems.Add( priority );
				this.listView1.Items[nRow].SubItems.Add( pt.UserProcessorTime.ToString() );
				nRow ++;
			}
		}

		protected void button1_Click (object sender, System.EventArgs e)
		{
            Close();
		}

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        public static void Main(string[] args) 
        {
            Application.Run(new Form1());
        }
    }
}