winform技巧二，listbox绑定,value,text,

private void button1_Click(object sender, EventArgs e)
        {
            List<Vector> list = new List<Vector>();
            list.Add(new Vector("swb1", 1));
            list.Add(new Vector("swb2", 2));
            list.Add(new Vector("swb3", 3));
            list.Add(new Vector("swb4", 4));
            list.Add(new Vector("swb5", 5));
            listBox1.DataSource = list;
            listBox1.DisplayMember = "Name";
            listBox1.ValueMember = "Id";
            this.textBox1.Text = "Id";
            this.textBox2.Text = "Name";
        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            //this.textBox1.Text = listBox1.SelectedItem
            object obj = listBox1.Items[this.listBox1.SelectedIndex];
            this.textBox1.Text = ((Vector)obj).Name;
            this.textBox2.Text = listBox1.SelectedValue.ToString(); ;
        }

    }
    class Vector
    {
        private string _name;
        private int _id;

        public string Name
        {
            get { return this._name; }
            set { this._name = value; }
        }
        public int Id
        {

            get { return this._id; }
            set { this._id = value; }
        }
        public Vector()
        { }
        public Vector(string name, int id)
        {
            this._name = name;
            this._id = id;
        }
    }