//Update, push model
public void OnUpdatePriceChange(Object sender, PriceChangeEventArgs args)
{
if (sender is Subject) //seul coupling éventuel
; //ok
int qty = args.qty;
double price = args.price;
string str = String.Format("Received qty = {0}, price = {1}", qty, price);
}
//notify
public void ReceivePriceChangeFromFeed(int qty, double price)
{
PriceChangeEventArgs args = new PriceChangeEventArgs(qty, price);
if (priceChanger != null)
priceChanger(this, args);
}
