Labels:text | screenshot | font | number OCR: Interfaces Classes IUnknown Engine Class Implements IEngine Impl. inherits IUnknown From Impl Engine Factory IEngine Creates IEngine 1Engine IUnknown engine_1 funknowm _ engine 2 Objects Figure 3. A COM interface defines a related set of methods and is assigned a unique interface identifier. A COM class implements one or more interfaces and is assigned a unique class identifier. Each COM class has an associated class factory responsible for creating COM objects.
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