size_is
Specify the size of memory allocated for sized pointers, sized pointers to sized pointers, and single- or multidimensional arrays.
Syntax
[ size_is("expression") ]
Parameters
expression
The size of memory allocated for sized pointers.
Remarks
The size_is C++ attribute has the same functionality as the size_is MIDL attribute.
Example
See the example for first_is for a sample of how to specify a section of an array.
Requirements
| 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.
See also
IDL Attributes
Typedef, Enum, Union, and Struct Attributes
Parameter Attributes
first_is
last_is
max_is
length_is