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Alex Rivera
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How can I pass an std..fstream or equivalent from C# through CLI to an unmanaged C++ DLL? Rough application outline: C# application reads a binary file from a database Unmanaged C++ dll is used to "decode" this file and return the information contained therein I can modify any of the C# code. The CLI wrapper is the only portion of the C++ side that I can modify. I'm currently saving the binary file to disk and passing the path of it to the CLI wrapper where it is opened as an fstream . This is fine for test purposes, but won't work for production for obvious reasons. I've also looked into passing a byte array to the DLL but I was not able to find a way to convert that to an fstream other than with GlobalAlloc , which I would prefer not to use.
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