Nóta
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað aðskrá þig inn eða breyta skráasöfnum.
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað að breyta skráasöfnum.
Specifies the expression or identifier acting as the union discriminant that selects the union member.
Syntax
[switch_is]
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.
Requirements
| Attribute context | Value |
|---|---|
| Applies to | typedef |
| Repeatable | No |
| Required attributes | None |
| Invalid attributes | None |
For more information about the attribute contexts, see Attribute Contexts.
See also
IDL Attributes
Typedef, Enum, Union, and Struct Attributes
switch_type