Does Stream.Dispose always call Stream.Close (and Stream.Flush)

by

Can I just call MySW.Dispose() and
skip the Close even though it is
provided?

Yes, that’s what it’s for.

Are there any Stream implementations
that don’t work as expected (Like
CryptoStream)?

It is safe to assume that if an object implements IDisposable, it will dispose of itself properly.

If it doesn’t, then that would be a bug.

If not, then is the following just bad
code:

No, that code is the recommended way of dealing with objects that implement IDisposable.

More excellent information is in the accepted answer to Close and Dispose – which to call?

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