C#编程

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Form1.cs：源码内容
							using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace SimpleListView
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListView lvCountries;
    private System.Windows.Forms.ImageList imgLarge;
    private System.Windows.Forms.ImageList imgSmall;
    private System.Windows.Forms.ComboBox cbView;
    private System.Windows.Forms.Label lblAbbreviation;
    private System.ComponentModel.IContainer components;
		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			//
			// TODO: Add any constructor code after InitializeComponent call
			//
			lvCountries.Items.Add(new CountryItem("United States", "US", "Dollar"));
      lvCountries.Items[0].ImageIndex = 0;
      lvCountries.Items.Add(new CountryItem("Great Britain", "GB", "Pound"));
      lvCountries.Items[1].ImageIndex = 1;
      lvCountries.Items.Add(new CountryItem("Canada", "CA", "Dollar"));
      lvCountries.Items[2].ImageIndex = 2;
      lvCountries.Items.Add(new CountryItem("Japan", "JP", "Yen"));
      lvCountries.Items[3].ImageIndex = 3;
      lvCountries.Items.Add(new CountryItem("Germany", "GM", "Deutch Mark"));
      lvCountries.Items[4].ImageIndex = 4;
      cbView.Items.Add(View.LargeIcon);
      cbView.Items.Add(View.SmallIcon);
      cbView.Items.Add(View.List);
      cbView.Items.Add(View.Details);
      cbView.SelectedIndex = 0;
      lvCountries.Columns.Add("Country",100, HorizontalAlignment.Left);
      lvCountries.Columns.Add("Currency",100, HorizontalAlignment.Left);
		}
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}
		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
      this.components = new System.ComponentModel.Container();
      System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
      this.lvCountries = new System.Windows.Forms.ListView();
      this.imgLarge = new System.Windows.Forms.ImageList(this.components);
      this.imgSmall = new System.Windows.Forms.ImageList(this.components);
      this.cbView = new System.Windows.Forms.ComboBox();
      this.lblAbbreviation = new System.Windows.Forms.Label();
      this.SuspendLayout();
      // 
      // lvCountries
      // 
      this.lvCountries.LargeImageList = this.imgLarge;
      this.lvCountries.Location = new System.Drawing.Point(24, 72);
      this.lvCountries.Name = "lvCountries";
      this.lvCountries.Size = new System.Drawing.Size(256, 248);
      this.lvCountries.SmallImageList = this.imgSmall;
      this.lvCountries.TabIndex = 0;
      this.lvCountries.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lvCountries_MouseUp);
      // 
      // imgLarge
      // 
      this.imgLarge.ImageSize = new System.Drawing.Size(48, 48);
      this.imgLarge.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgLarge.ImageStream")));
      this.imgLarge.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // imgSmall
      // 
      this.imgSmall.ColorDepth = System.Windows.Forms.ColorDepth.Depth16Bit;
      this.imgSmall.ImageSize = new System.Drawing.Size(16, 16);
      this.imgSmall.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgSmall.ImageStream")));
      this.imgSmall.TransparentColor = System.Drawing.Color.Transparent;
      // 
      // cbView
      // 
      this.cbView.Location = new System.Drawing.Point(32, 32);
      this.cbView.Name = "cbView";
      this.cbView.Size = new System.Drawing.Size(128, 21);
      this.cbView.TabIndex = 1;
      this.cbView.SelectedIndexChanged += new System.EventHandler(this.cbView_SelectedIndexChanged);
      // 
      // lblAbbreviation
      // 
      this.lblAbbreviation.Location = new System.Drawing.Point(176, 32);
      this.lblAbbreviation.Name = "lblAbbreviation";
      this.lblAbbreviation.Size = new System.Drawing.Size(48, 23);
      this.lblAbbreviation.TabIndex = 2;
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(312, 339);
      this.Controls.Add(this.lblAbbreviation);
      this.Controls.Add(this.cbView);
      this.Controls.Add(this.lvCountries);
      this.Name = "Form1";
      this.Text = "Form1";
      this.ResumeLayout(false);
    }
		#endregion
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
    private void cbView_SelectedIndexChanged(object sender, System.EventArgs e)
    {
      lvCountries.View = (View)cbView.SelectedItem;
    }
    private void lvCountries_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
    {
      if(lvCountries.View != View.Details)
        lblAbbreviation.Text = ((CountryItem)lvCountries.GetItemAt(e.X, e.Y)).CountryAbbreviation;
      else
        lblAbbreviation.Text = ((CountryItem)lvCountries.GetItemAt(5, e.Y)).CountryAbbreviation;
    }
    
	}
}

						