Language Inter-Op
Like the quest for the Holy Grail, the ability to seamlessly inter-op between languages has been on the forefront. On the various Windows platforms, the standard for cross language development has been the Component Object Model (COM). An entire industry was born whose sole purpose was developing COM components and ActiveX controls. Because COM is a binary standard, any language capable of consuming COM components is able to use them regardless with which language the COM component was created.
Although COM allowed for reusable components, it was far from perfect. Certain languages, such as scripting languages, could only make use of the default interface provided by the COM object. Also, it was not possible to inherit from ...
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