Eventhandlere

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication9
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            MessageBox.Show(e.ToString());
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button2_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left) MessageBox.Show("DU ER VENSTREORIENTERET");
            if (e.Button == MouseButtons.Right) MessageBox.Show("Du er DF");
        }

        private void button2_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyData == Keys.A) button2.Location = new Point(button2.Location.X - 20, button2.Location.Y);
        }
    }
}