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Learn more about: size_is |
size_is (C++ COM Attribute) |
10/02/2018 |
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70192d09-f6c5-4d52-b3fe-303f8cb10aa5 |
Specify the size of memory allocated for sized pointers, sized pointers to sized pointers, and single- or multidimensional arrays.
[ size_is("expression") ]expression
The size of memory allocated for sized pointers.
The size_is C++ attribute has the same functionality as the size_is MIDL attribute.
See the example for first_is for a sample of how to specify a section of an array.
| Attribute context | Value |
|---|---|
| Applies to | Field in struct or union, interface parameter, interface method |
| Repeatable | No |
| Required attributes | None |
| Invalid attributes | max_is |
For more information about the attribute contexts, see Attribute Contexts.
IDL Attributes
Typedef, Enum, Union, and Struct Attributes
Parameter Attributes
first_is
last_is
max_is
length_is