private void bStart_Click(object sender, EventArgs e)
{
this.initPicture();
this.ball = this.ballFactory.createBall(10, 15);
this.timerBall.Enabled = true;
}
private void Start_Click(object sender, RoutedEventArgs e)
{
this.ball = this.ballFactory.createBall(10, 15);
this.canvas.Children.Add(this.ball.getEllipse());
this.timerSingle.Start();
}