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Directs that the specified enumerated type be transmitted as a 32-bit entity rather than the 16-bit default.


Attribute Context

Applies to Enumerated type
Repeatable No
Required attributes None
Invalid attributes None

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


The v1_enum C++ attribute has the same functionality as the v1_enum MIDL attribute.


The following code shows a use of v1_enum:

// cpp_attr_ref_v1_enum.cpp
// compile with: /LD

[export, v1_enum] 
enum eList { 
   e1 = 1, 
   e2 = 2

See Also

IDL Attributes | Typedef, Enum, Union, and Struct Attributes | Attributes Samples