Keskustelu: Ohjelmointikysymykset: Visual C# ja hiiren keskipainike

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 Scroller
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            this.MouseWheel += new MouseEventHandler(Form1_MouseWheel);
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void Form1_MouseWheel(object sender, MouseEventArgs e)
        {
            if( e.Delta.ToString()[0] == '-')
            {
                label1.Text = "alas";
            }
            else
            {
                label1.Text = "ylös";
            }
        }

    }
}