private void changeSpeedBTN_Click(object sender, EventArgs e)
{
int speed;
if (int.TryParse(speedTB.Text, out speed) == true && speedTB.Text.Length > 0)
{
if (int.Parse(speedTB.Text) > Constants.MAX_RPM)
{
MessageBox.Show("Maximum allowable RPM is " + Constants.MAX_RPM + ".");
}
else
{
bicycleSubject = new BicycleSubject(speed);
kphObserver = new KPHObserver(kphLBL, bicycleSubject);
rpmObserver = new RPMObserver(rpmDisplayLBL, bicycleSubject);
calorieObserver = new CalorieObserver(caloriesPerHourLBL, bicycleSubject);
bicycleSubject.NotifyObserver();
}
}
else
{
MessageBox.Show("The input you tried to enter must be a valid integer greater than 0, e.g. 60.");
}
}