The way back???

I don't know if the following is possible.
We use JNI to send commands to a dll, but can we send commands the way back, from the dll to the java application?
Maybe through posting messages in the dll on the java frame?
Via a binary tcp/ip stream it will work, I guess, but that's a bit too unstable for long sessions.

Sorry, but I didn't read the chapter about callbacks yet. :-))))
So ignore this thread please...

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