public virtual void RaisePriceChangedEvent(PriceChangedEventArgs e)
{
if (PriceChangedEvent != null)
{
PriceChangedEvent(this, e);
}
}
static void stock_PriceChangedEvent(object sender, PriceChangedEventArgs e)
{
if ((e.NewPrice - e.LastPrice) / e.LastPrice > 0.1M)
{
Console.WriteLine("Alert, 10% stock price increase!");
}
}