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AppDomains and unmanaged callbacks, redux

Quite a while back, I posted an article about getting native callbacks to work across AppDomains. Since then, I’ve gotten quite a few comments with varying levels of confusion, and seen a few implementations that appear to have missed something along the way. So I thought it’d be a good idea to post a clarification.


Hidden natives

Continuing on the theme of mixing managed and native code from my last programming post, here’s another issue I ran into at about the same time…

Normally, you’re writing managed code as an interop layer to hide the native code away from the managed world, so it’s only used with private visibility. Sometimes, however, you […]

Unmanaged callbacks across AppDomains

In one of the projects I’m working on I hit a fairly nasty problem involving (as might be obvious from the title) both AppDomains and unmanaged code calling back into managed code. But first, a little background.

It all started with an unmanaged C++ class library. We’ve been using it for a while from other […]