//allow methods to subscribe to the pricecut event
//the Action parameter allows methods that return void to be passed in to this function.
//the <int, int> parameters for the Action specify the supplier ID and the price, respectively.
public void subscribeToPriceCut(Action <int, int> travelAgencyEventListener)
{
//now the address of the Action (function) passed to this method will
//be called when the priceHasBeenCut event is triggered
priceHasBeenCut += new PriceCutEvent(travelAgencyEventListener);
}
//allow methods to subscribe to the pricecut event
//the Action parameter allows methods that return void to be passed in to this function.
//the <int, int> parameters for the Action specify the supplier ID and the price, respectively.
public void subscribeToPriceCut(Action<int, int> travelAgencyEventListener)
{
//now the address of the Action (function) passed to this method will
//be called when the priceHasBeenCut event is triggered
priceHasBeenCut += new PriceCutEvent(travelAgencyEventListener);
}
