using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication1
{
public partial class test : Form
{
public test()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
lijst1.Items.Add(1);
lijst1.Items.Add(2);
lijst2.Items.Add(1);
lijst2.Items.Add(2);
}
private void list1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void cmdplus_Click(object sender, EventArgs e)
{
int eerste;
int tweede;
lijst1.SelectedItem = eerste;
lijst2.SelectedItem = tweede;
lblantwoord.Text = eerste + tweede;
}
}
}