COM本身就是接口,它是Language indenpent地。谁和他都得接,ATL是用VC接COM的Library。
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书上第一夜写到(1998版):
COM components can be written in many languages
COM is a binary standard. Any language that can cope with the binary standard can create or use COM objeects. The number of languages and tool that support COM is increasing every day with C, C++, Java, JScript, Visual Basic, VBScript, Delphi, PowerBuilder,and MicroFocus Cobol forming just part of that growing list.