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Using QuickPDF DLL in multiple threads

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    Posted: 25 Feb 18 at 8:39PM

At the moment I open the same PDF using DAFileOpenReadOnly in 4 separate processes and in each one process different pages from this PDF.

I am trying to switch to using a single process, and to use 4 threads instead. I access the DLL in each thread separately (as the docs say) but performance is dismal compared to the separate processes approach.

Is there any kind of 'global mutex' or similar that could be a choke point for a multithreaded approach?

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