C#

<br />
class MyItem {<br />
<br />
private string name; // String to show in the ComboBox<br />
private string val; // String to show in the TextBox<br />
<br />
public MyItem(string n, string v) {<br />
name = n;<br />
   val = v;<br />
}<br />
<br />
public string ToString() {<br />
   return name;<br />
}<br />
<br />
public string Content {<br />
   get {<br />
      return val;<br />
   }<br />
}<br />
<br />
}<br />
<br />
ComboBox c = new ComboBox();<br />
c.Items.Add(new MyItem("good", "User choosed good"));<br />
<br />
// Remember to perform the correct casts.<br />
<br />
ComboBox_SelectedIndexChanged(object sender, System.EventArgs e) {<br />
   textBox.Text = ((MyItem)c.SelectedItem).Content;<br />
}<br />

<br />
<configuration><br />
   <startup><br />
      <supportedRuntime version="v1.0.3705"  /><br />
      <supportedRuntime version="v1.1.4322"  /><br />
      <supportedRuntime version="v2.0.50215" /><br />
   </startup><br />
</configuration><br />