ContextBoundObject Attribute question

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Claes R?dstr?m - 10 Jul 2004 19:14 GMT

Hi!

I rewrote a Custom Attribute sample to supply tracing functionality
to a context bound class thru an attribute.

The thing is that I would like to continue nested tracing inside the class,
but since a method call, in an object, that calls another method on itself
seems not to be performed thru the same context my added tracing
functionality is not called. => tracing is only performed on method calls
coming from external callers ( that passes context boundaries ?) .

Can I get around this problem ??

I want my custom tracing attribute to affect all method call
from where ever they are made.

Ideas ?

/Claes

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Rick Byers [MSFT] - 14 Jul 2004 18:16 GMT

Hi Claes,
Unfortunately, there is no way (that I'm aware of anyway) to use
ContextBoundObjects to intercept method calls within the same object. This
isn't what CBOs are designed for.

If you want a general way to trace all (or a specific subset of) method
calls, you probably want to use the unmanaged profiling API. There is a
good MSDN Magazine article at
http://msdn.microsoft.com/msdnmag/issues/01/12/hood/ that discusses the
profiling API, and provides a sample of how to use it. The full
documentation is included with the .NET SDK in "Tool Developers
Guide\docs\Profiling.doc". It's a bit more complicated than using CBOs, but
it's much more powerful and efficient.

I hope this helps,
Rick

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> Hi!
>
[quoted text clipped - 15 lines]
>
> /Claes

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ContextBoundObject Attribute question

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