Serialize COM variant to BLOB or IStream

StackOverflow https://stackoverflow.com/questions/22959103

  •  30-06-2023
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Question

Is there a standard way to serialize and deserialize a COM VARIANT, e.g. to/from a stream?

Haven't found any in MSDN, an I'm a little surprised now.

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Solution

You can do this using the the VARIANT_UserMarshal function.

General information on this function (and similar ones for other OLE Automation types) is available here: Marshaling OLE Data Types and here: The type_UserMarshal Function

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