可以设置Item图片的ListBox

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;

namespace PG
{
    public class GListBoxItem
    {
        private string _myText;
        private int _myImageIndex; // 属性
        public string Text
        {
            get { return _myText; }
            set { _myText = value; }
        }
        public int ImageIndex
        {
            get { return _myImageIndex; }
            set { _myImageIndex = value; }
        }

        private int _imageOffset = 0;

        public int ImageOffset
        {
            get { return _imageOffset; }
            set { _imageOffset = value; }
        }

        //构造函数
        public GListBoxItem(string text, int index)
        {
            _myText = text;
            _myImageIndex = index;
        }
        public GListBoxItem(string text, int index,int imageOffset):this(text,index)
        {
            _imageOffset = imageOffset;
        }
        public GListBoxItem(string text) : this(text, -1)
        {
        }
        public GListBoxItem() : this("")
        {
        }
        public override string ToString()
        {
            return _myText;
        }      
    }

    public class GListBox : ListBox
    {
        private ImageList _myImageList;
        public ImageList ImageList
        {
            get { return _myImageList; }
            set { _myImageList = value; }
        }

        public GListBox()
        {
            this.DrawMode = DrawMode.OwnerDrawVariable;
            this.ItemHeight = 20;
        }

        protected override void OnDrawItem(DrawItemEventArgs e)
        {
            if (e.Index == -1)
                return;

            e.DrawBackground();
            e.DrawFocusRectangle();
            GListBoxItem item;
            Rectangle bounds = e.Bounds;
            Size imageSize = _myImageList.ImageSize;
            try
            {
                item = (GListBoxItem)Items[e.Index];
                if (item.ImageIndex != -1)
                {
                    ImageList.Draw(e.Graphics, bounds.Left + item.ImageOffset, bounds.Top + 2, item.ImageIndex);
                    e.Graphics.DrawString(item.Text, e.Font, new SolidBrush(e.ForeColor), bounds.Left + item.ImageOffset + imageSize.Width, bounds.Top + 2);
                }
                else
                {
                    e.Graphics.DrawString(item.Text, e.Font, new SolidBrush(e.ForeColor), bounds.Left, bounds.Top+2);
                }
            }
            finally
            {
            }
        }

    }
}