/// <summary>
/// When clicking the button to add drinks, run through every combo box and run
/// the method to create drink objects for every drink at once.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddDrinks_Click(object sender, EventArgs e)
{
drinks.Clear();
if (nudDrinksCoke.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("Coke", (int)nudDrinksCoke.Value));
}
if (nudDrinksPepsi.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("Pepsi", (int)nudDrinksPepsi.Value));
}
if (nudDrinksDietCoke.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("Diet Coke", (int)nudDrinksDietCoke.Value));
}
if (nudDrinks7Up.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("7-Up", (int)nudDrinks7Up.Value));
}
if (nudDrinksFanta.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("Fanta", (int)nudDrinksFanta.Value));
}
if (nudDRinksTango.Value > 0)
{
drinks.Add(DrinkLogic.CreateDrink("Tango", (int)nudDRinksTango.Value));
}
PopulateDrinkListBox();
btnAddDrinks.Text = "Update Drink(s)";
}