What is the best case for accessing managed code from unmanaged code?

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Bae,Hyun-jik - 28 Jul 2005 03:15 GMT

Hi,

What is the best case for accessing managed code from unmanaged C++ code,
considering that the unmanaged code doesn't have managed extension?

Please reply.
Thanks in advance.

Regards,
Hyun-jik Bae

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Carl Daniel [VC++ MVP] - 28 Jul 2005 03:27 GMT

> Hi,
>
> What is the best case for accessing managed code from unmanaged C++ code,
> considering that the unmanaged code doesn't have managed extension?

See the CLR hosting APIs.

See http://msdn.microsoft.com/msdnmag/issues/01/03/clr/default.aspx, for
example.

Using Managed Extensions is a far better choice in most cases.

-cd

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Nishant Sivakumar - 28 Jul 2005 06:11 GMT

In addition to Carl's suggestions, you could also look at CCW.

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Regards,
Nish [VC++ MVP]
http://www.voidnish.com
http://blog.voidnish.com

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Marcus Heege - 28 Jul 2005 10:49 GMT

In addition to that, you can also use pointers to managed functions with
unmanaged calling conventions.

A standard case of this is virtual functions of native classes implemented
in managed code. Other cases exist as well.

Marcus Heege

> In addition to Carl's suggestions, you could also look at CCW.

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Carl Daniel [VC++ MVP] - 28 Jul 2005 14:37 GMT

> In addition to that, you can also use pointers to managed functions
> with unmanaged calling conventions.
>
> A standard case of this is virtual functions of native classes
> implemented in managed code. Other cases exist as well.

... but only through the use of Managed Extensions for C++, which the OP
specifically didn't want to use.

-cd

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What is the best case for accessing managed code from unmanaged code?

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