static void Main(string[] args)
{
WeatherHandler provider = new WeatherHandler();
CurrentConditionDisplay currentDisplay = new CurrentConditionDisplay();
provider.WeatherStatus(80, 65, 30, 25, 20, true);
currentDisplay.Subscribe(provider);
Console.WriteLine();
provider.WeatherStatus(90, 75, 10, 35, 20, false);
currentDisplay.Subscribe(provider);
Console.WriteLine();
provider.WeatherStatus(60, 25, 40, 5, 20, true);
currentDisplay.Subscribe(provider);
}
public virtual void Subscribe(WeatherHandler provider)
{
cancellation = provider.Subscribe(this);
}
