Re: knowing the interfaces that an object implements

If the connection variable is declared as Object the VB compiler
unfortunately does not complain even with Option Explicit on. This is one of
the "features" of VB.net (and one of the reasons that I prefer C# :-))

Regards, Jakob.


"Jon Skeet [C# MVP]" wrote:

> Nick Hall <nickh@xxxxxxxxxxxxxxxxxx> wrote:
> > It's not evaluated until runtime - therefore it actually does work. It uses
> > the IL instruction isinst to make the determination.
>
> The "if" does, but the call to Dispose should fail at compile time,
> because the compiler doesn't know that connection implements
> IDisposable. Of course, with Option Strict turned off it would be okay,
> but personally I think type-safety is rather important :)
>
> --
> Jon Skeet - <skeet@xxxxxxxxx>
> http://www.pobox.com/~skeet
> If replying to the group, please do not mail me too
>
.

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