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We wrote this product in Microsoft Visual C++ 6 using ATL + WTL. We didn't use MFC or any third-party library, only our own optimized C/C++/ASM code. Even with the ATL we linked VXPLib statically, and therefore it doesn't require anything that is not a system-default library. For some API functions of GUI+, like Gradient Filling we made our own implementation to extend fully featured functionality of the component over old operational systems like Windows 95/NT4. It took us about 1.5 years to create this product, which we believe was worth it. |