C#

protected override bool IsInputKey(Keys data)
{
  return true;
}

// overriden to get the cursor-key-events
protected override bool IsInputKey(Keys data)
{
  bool ret = base.IsInputKey(data);
  if (data==Keys.Up || data==Keys.Down || data==Keys.Left || data==Keys.Right)
    return true;
  else
    return ret;
}

using System;
using System.Drawing;
using System.Windows.Forms;

public class LightLabel : System.Windows.Forms.Control
{
  public LightLabel() : base()
  { 
    // Nothing to set here
  }
 
  public override void OnPaint(PaintEventArgs e)
  {
    Brush textBrush = new SolidBrush(ForeColor);
    Brush background = new SolidBrush(BackColor);
    
    Graphics g = e.Graphics;
    
    g.FillRectangle(background, Bounds);
    g.DrawString(Text, Font, textBrush, Bounds);
 
    textBrush.Dispose();
    background.Dispose();
  }
}