private void Form1_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Left:
tetris.Move(TetrisGame.Actions.MoveLeft);
break;
case Keys.Right:
tetris.Move(TetrisGame.Actions.MoveRight);
break;
case Keys.Up:
tetris.Move(TetrisGame.Actions.RotateLeft);
break;
case Keys.Down:
tetris.Move(TetrisGame.Actions.MoveDown);
break;
}
}