I think Sebastian already touched on this issue, but I wanted to shine a
little more light on it. If the Something class were defined as below and x
was not null wouldn't the Foo method throw an exception incorrectly stating
that x was null?
class Something
{
public Something()
{
}
public void DoSomething()
{
throw new NullReferenceException();
}
}
void Foo (Something x)
{
try {
x.DoSomething ();
} catch (NullReferenceException e){
if (x == null)
throw new ArgumentNullException ("x");
else
throw;
}
x.AndThenMore ();
}
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