Exemplo 001 / GDI C#

Exemplo 001 / GDI C#


/*
 * Created by SharpDevelop.
 * User: Luigi
 * Date: 03/12/2016
 * Time: 07:03
 *
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using System.Linq;
using System.Windows.Forms;
using System.Drawing;

namespace gdi{
    public partial class MainForm : Form{
        System.Drawing.Graphics grafico;
        int x = 100, y = 100;
        public MainForm(){
            InitializeComponent();
            grafico = CreateGraphics();
        }
       
        void MainFormKeyDown(object sender, KeyEventArgs e){
            grafico.Clear(Color.White);
            if(e.KeyCode == Keys.Up){
                y--;
            }

            if(e.KeyCode == Keys.Down){
                y++;
            }
           
            if(e.KeyCode == Keys.Left){
                x--;
            }
           
            if(e.KeyCode == Keys.Right){
                x++;
            }
            grafico.FillRectangle(Brushes.Blue, new RectangleF(x, y, 32, 32));
        }
    }
}