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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

version (C++)

Identifies a particular version among multiple versions of a class.

[ version( 
) ]


The version number of the coclass. If not specified, 1.0 will be placed in the .idl file.

The version C++ attribute has the same functionality as the version MIDL attribute and is passed through to the generated .idl file.

See the bindable example for a sample use of version.

Attribute Context

Applies to

class, struct



Required attributes


Invalid attributes


For more information about the attribute contexts, see Attribute Contexts.

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