ue6_5

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 WindowsFormsApplication7
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Keydown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.W)
            {
                if (button1.Location.Y + button1.Height < ClientSize.Height)
                {
                    button1.Location = new System.Drawing.Point(button1.Location.X, button1.Location.Y - 20);
                }
            }
            if (e.KeyCode == Keys.S)
            {
                if (button1.Location.Y + button1.Height < ClientSize.Height)
                {
                    button1.Location = new System.Drawing.Point(button1.Location.X, button1.Location.Y + 20);
                }
            }
        }
    }
}