Identifies a particular version among multiple versions of a class.
[ version(
   "version"
) ]
Parameters
- version
 The version number of the coclass. If not specified, 1.0 will be placed in the .idl file.
Remarks
The version C++ attribute has the same functionality as the version MIDL attribute and is passed through to the generated .idl file.
Example
See the bindable example for a sample use of version.
Requirements
Attribute Context
| Applies to | class, struct | 
| Repeatable | No | 
| Required attributes | coclass | 
| Invalid attributes | None | 
For more information about the attribute contexts, see Attribute Contexts.