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switch_is

Specifies the expression or identifier acting as the union discriminant that selects the union member.

[switch_is]

Attribute Context

Applies to typedef
Repeatable No
Required attributes None
Invalid attributes None

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

Remarks

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

Example

See the case example for a sample use of switch_is.

See Also

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

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