protected virtual void OnStockChange(StockChangeEventArgs e)
{
if (StockChange != null)
{
StockChange(this, e);
}
}
void st_StockChange(object sender, StockChangeEventArgs e)
{
CheckFilter(e.Stock);
}
void st_StockChange(object sender, StockChangeEventArgs e)
{
if (e.Stock.Symbol== "GOOG")
Console.WriteLine("Google's new price is: {0}", e.Stock.Price);
}