Using QuickOPC from Visual C++ 6.0

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Visual C++ 6.0 (also contained in Visual Studio 6.0) is still in use in some programming shops. Although it is not a development environment that we officially target, it is perfectly possible to use QuickOPC from Visual C++ 6.0. QuickOPC exposes its API via COM, and that can be consumed from Visual C++ 6.0 well.

There are, however, some differences from the current Visual C++, and the examples we ship with QuickOPC do not work "out of the box" with Visual C++ 6.0.

This article explains the main differences, and how to overcome them.