using System.Drawing; using System; using System.Windows.Forms; public class TryKey : Form { private char theKey = 'd'; public TryKey() { Size = new Size(300,200); BackColor = Color.White; } protected override void OnPaint(PaintEventArgs e) { Graphics g = e.Graphics; g.DrawString(theKey.ToString(), new Font("Arial", 36, FontStyle.Bold), Brushes.Red, 100, 50); base.OnPaint(e); } protected override void OnKeyDown(KeyEventArgs e){ if (e.Control){ Console.WriteLine("Control"); } if (e.KeyCode == Keys.Right){ Console.WriteLine("Right"); } else if (e.KeyCode == Keys.Left){ Console.WriteLine("Left"); } Invalidate(); base.OnKeyDown(e); } protected override void OnKeyUp(KeyEventArgs e) { Console.WriteLine("Key Up"); base.OnKeyUp(e); } protected override void OnKeyPress(KeyPressEventArgs e) { if (char.IsLetterOrDigit(e.KeyChar)){ theKey = e.KeyChar; } Invalidate(); base.OnKeyPress(e); } public static void Main() { Application.Run(new TryKey()); } }