switch_is
Specifies the expression or identifier acting as the union discriminant that selects the union member.
[switch_is]
The switch_is C++ attribute has the same functionality as the switch_is MIDL attribute.
See the case example for a sample use of switch_is.
Attribute context | Value |
---|---|
Applies to | typedef |
Repeatable | No |
Required attributes | None |
Invalid attributes | None |
For more information about the attribute contexts, see Attribute Contexts.
IDL Attributes
Typedef, Enum, Union, and Struct Attributes
switch_type