C#

public class AnnoyingButton : Button {

  protected override bool IsInputKey(Keys keyData) {
    return keyData == Keys.Up || keyData == Keys.Down ||
           keyData == Keys.Left || keyData == Keys.Right;
  }

  protected override void OnKeyDown(KeyEventArgs args) {
    Point newLocation = Location;

    switch (args.KeyCode) {
      case Keys.Right:
        newLocation.Offset(1, 0);
        Location = newLocation;
        break;
      case Keys.Left:
        newLocation.Offset(-1, 0);
        Location = newLocation;
        break;
      case Keys.Down:
        newLocation.Offset(0, 1);
        Location = newLocation;
        break;
      case Keys.Up:
        newLocation.Offset(0, -1);
        Location = newLocation;
        break;
      default:
        base.OnKeyDown(args);
    }
  }
}

Gerry Schmitz wrote:

You attached the key handler to the button. You should (probably) attach it at the form level

Member 14142133 wrote:

i have task

Quote:

All of them, do you want to guide me to make my own graph step by step?