Re: Release BSTR from memory

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Tue, 13 Mar 2007 07:53:52 -0400
Message-ID:
<OcpQGZWZHHA.3272@TK2MSFTNGP03.phx.gbl>
"Nicol" <Nicol@discussions.microsoft.com> wrote in message
news:DDEDC009-BC3E-44C2-A3B3-817DF04B206C@microsoft.com

I am referring this dll in .net, .net automatically converts this to
interop dll and the signature for the method BSTR* is changed to
string.

IMy code:
VC++
idl file
HRESULT fun1([in]ULONG nVen,[out,retval] BSTR* retval);

and the functions signature are same as above.

When refeered the dll in .net, the interop dll method is shown as

dim str as string
str = fun1(ByVal nVen As UInteger)

Kindly help me how to release the BSTR memory. bcoz i am not
releasing this any where.


I expect the interop code is smart enough to release the BSTR after
converting it to .NET string. You don't need to do anything special.
--
With best wishes,
    Igor Tandetnik

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