Re: Waiting for callbacks from dll on Win32

["Björn Lundin" <bjorn.lundin.nospam@swipnet.se>]

Stephen Leake wrote:

> Bj�rn Lundin <bjorn.lundin.nospam@swipnet.se> writes:
> 
>> Hello!
>> I'm trying to make an interface to a c-dll that
>> connects to an OPC-server (WTclient.dll)
>> 
>> It wants a pointer to a procedure, which I can provide
>> with an access value to a procedure in a protected object.
> 
> Calling a procedure in a protected object is _not_ the same as calling
> a "normal" procedure; there are tasking issues involved.
> 
> Wrap the protected object call in a "normal" procedure, and use that
> as the callback.
> 
> Even then, you have to worry about the Ada tasking vs the C tasking.
> If you have an Ada main, you are probably ok.
> 

Thanks, it seems to have solved my main problem, now it's
just to make a real application of it...

Thanks again
/Bj�rn