[Mono-osx] Instance callback has this set to null when sent over as a function pointer

Rodrigo Kumpera kumpera at gmail.com
Fri Mar 23 14:01:13 UTC 2012

Next time you run into this kind of issue, try the following MONO_DEBUG
options: keep-delegates and reverse-invoke-exceptions.
For a detailed descriptor of how they work, man mono.

2012/3/22 Maurício Linhares <mauricio.linhares at gmail.com>

> I'm trying to send a instance callback as a function pointer to a C
> method call, but when it's called the delegate "this" reference points
> to null.
> Anyone has any idea what this is?
> Code is here ->
> http://stackoverflow.com/questions/9829144/sending-an-instance-callback-as-a-function-pointer-results-in-this-being-null
> -
> Maurício Linhares
> http://techbot.me/ - http://twitter.com/#!/mauriciojr
> _______________________________________________
> Mono-osx mailing list
> Mono-osx at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-osx
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