// any method inside of Stock class can call the event, which then triggers subscribers protected virtual void OnPriceChanged(PriceChangedEventArgs e) { PriceChanged?.Invoke(this, e); // null propagation, will check for null before invocation }
// any method inside of Stock class can call the event, which then triggers subscribers protected virtual void OnPriceChanged(PriceChangedEventArgs e) { PriceChanged?.Invoke(this, e); // null propagation, will check for null before invocation }