protected virtual void OnRaiseEvent(RentedItemEvent e)
{
EventHandler<RentedItemEvent> handler = RaiseCustomEvent;
if (handler != null)
{
e.Message += "Book rented";
handler(this, e);
}
else
{
Console.WriteLine("There are no listeners.");
}
}
protected virtual void OnRaiseEvent(RentedItemEvent e)
{
EventHandler <RentedItemEvent> handler = RaiseCustomEvent;
if (handler != null)
{
e.Message += "Book rented";
handler(this, e);
}
else
{
Console.WriteLine("There are no listeners.");
}
}
void HandleEvent(object sender, RentedItemEvent e)
{
MessageBox.Show("Book has been rented");
}
void HandleEvent(object sender, RentedItemEvent e)
{
MessageBox.Show("Book has been rented");
}