c++ - Windows IStream interface on std::istream -



c++ - Windows IStream interface on std::istream -

within c++ on windows, there easy way create (com) istream interface existing std::stream object?

an illustration read image iwicstream::initializefromistream() std::cin.

there no standard implementation that. need write class (or find third-party one) implements istream interface , internally delegates std::stream needed. however, have problem implementing istream::stat(), commonly used retrieve stream's info size. in case of std::cin, not know how much info beingness provided.

c++ windows com istream

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