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lang-cs
MemoryMappedFilemsdn.microsoft.com/en-us/library/…FILE_ATTRIBUTE_TEMPORARYwhen creating the file, that serves as a strong hint to the file system not to bother writing it to disk. I don't know the best way to do that in C# though.FileOptionshad aTemporary = 256member, you could do this without P/Invoking toCreateFile, but in their wisdom the designers chose not to make this option available. (If you try to fudge it in, theFileStreamconstructor will complain.)