In the past, writing modules that could be called from multiple languages was difficult. Code that is written in Visual Basic can’t be called from Visual C++. Code that is written in Visual C++ can sometimes be called from Visual Basic, but it’s not easy to do. Visual C++ uses the C and C++ runtimes, which have very specific behavior, and Visual Basic uses its own execution engine, also with its own specific— and different—behavior.
KeywordsVisual Basic Execution Engine Member Function Runtime Library Basic Data Type
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