콤보박스(Combo Box)

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

 

namespace Test

{

       public partial class ListBox02 : Form

       {

             public ListBox02()

             {

                    InitializeComponent();

             }

 

             private void ListBox03_Load(object sender, EventArgs e)

             {

                    //동적 항목 추가

                    for (int i = 1; i < 10; i++)

                    {

                           comboBox1.Items.Add((i * i).ToString());

                           comboBox2.Items.Add((i * i).ToString());

                           comboBox3.Items.Add((i * i).ToString());

                    }

             }

 

             private void button1_Click(object sender, EventArgs e)

             {

                    //comboBox1.SelectedIndex

                    //comboBox1.SelectedItem

 

                    //선택된 항목과 관련된 처리

                    if (comboBox1.SelectedIndex > -1)

                    {

                           MessageBox.Show(comboBox1.SelectedIndex + " : " + comboBox1.SelectedItem);

                    }

             }

 

             private void button2_Click(object sender, EventArgs e)

             {

                    //항목 <> 기입한 값

                    MessageBox.Show(comboBox1.Text);

             }

 

             private void button3_Click(object sender, EventArgs e)

             {

                    this.comboBox1.Items.RemoveAt(this.comboBox1.SelectedIndex);

             }

       }

}