摘自msdn，詳見http://social.msdn.microsoft.com/Forums/en-US/winforms/thread/c7a82a6a-763e-424b-84e0-496caa9cfb4d/

?public partial class Form1 : Form

{ ??

? // Content item for the combo box ??

? private class Item { ????

? public string Name; ???

?? public int Value; ????

? public Item(string name, int value) { ???

???? Name = name; Value = value; ????

? } ?????

?public override string ToString() { ??

????? // Generates the text shown in the combo box ??????? return Name; ????

? } ?

?? } ??

? public Form1() { ?

???? InitializeComponent(); ???

?? // Put some stuff in the combo box ???

?? comboBox1.Items.Add(new Item("Blue", 1)); ???

?? comboBox1.Items.Add(new Item("Red", 2)); ????

? comboBox1.Items.Add(new Item("Nobugz", 666)); ??

? }

??? private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { ???

?? // Display the Value property ??

??? Item itm = (Item)comboBox1.SelectedItem; ???

?? Console.WriteLine("{0}, {1}", itm.Name, itm.Value); ?

?? }

? }

轉載于:https://www.cnblogs.com/enjoyprogram/archive/2012/04/06/2434170.html

總結

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