共用方式為


ptr

Designates a pointer as a full pointer.

[ptr]

Remarks

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

Example

See the example for defaultvalue for a sample use of ptr.

Requirements

Attribute Context

Applies to

Interface parameter, interface method, typedef

Repeatable

No

Required attributes

None

Invalid attributes

None

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

See Also

Concepts

IDL Attributes

Interface Attributes

Method Attributes

Typedef, Enum, Union, and Struct Attributes

ATL Samples