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// Throw an exception that records the new exception,

// as well as the message of the first exception.

throw new CarIsDeadException(e.Message, e2);

}

}

Notice in this case, we have passed in the FileNotFoundException object as the second parame-

ter to the CarIsDeadException constructor. Once we have configured this new object, we throw it up

the call stack to the next caller, which in this case would be the Main() method.

Given that there is no “next caller” after Main() to catch the exception, we would be again pre-

sented with an error dialog box. Much like the act of rethrowing an exception, recording inner

exceptions is usually only useful when the caller has the ability to gracefully catch the exception in

the first place. If this is the case, the caller’s catch logic can make use of the InnerException property

to extract the details of the inner exception object.