This print for content only-size & color not accurate 7" X 9-1/4" / casebound / malloy

// If the car is dead, fire Exploded event.

if (carIsDead)

{

if (Exploded != null)

Exploded(this, new CarEventArgs("Sorry, this car is dead..."));

}

...

}

On the caller’s side, all we would need to do is update our event handlers to receive the incom-

ing parameters and obtain the message via our read-only field. For example:

public static void CarAboutToBlow(object sender, CarEventArgs e)

{

Console.WriteLine("{0} says: {1}", sender, e.msg);

}

If the receiver wishes to interact with the object that sent the event, we can explicitly cast the

System.Object. Thus, if we wish to power down the radio when the Car object is about to meet its

maker, we could author an event handler looking something like the following:

C H A P T E R   1 1  

■

D E L E G AT E S, E V E N T S, A N D   L A M B D A S

368

8849CH11.qxd  10/1/07  10:43 AM  Page 368

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public static void CarIsAlmostDoomed(object sender, CarEventArgs e)

{