| description | Learn more about: ref (C++) | |
|---|---|---|
| title | ref (C++ COM Attribute) | |
| ms.date | 10/02/2018 | |
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| ms.assetid | 67e82d3e-07d9-4ef8-bf2b-0a4491d12557 |
Identifies a reference pointer.
[ref]The ref C++ attribute has the same functionality as the ref MIDL attribute.
The following code shows how to use the ref attribute:
// cpp_attr_ref_ref.cpp
// compile with: /LD
#include <windows.h>
[module(name="ATLFIRELib")];
[dispinterface, uuid("00000000-0000-0000-0000-000000000001")]
__interface IFireTabCtrl
{
[id(1), unique] char * GetFirstName([in, ref] char * pszFullName );
};| Attribute context | Value |
|---|---|
| Applies to | typedef, interface parameter, interface method |
| Repeatable | No |
| Required attributes | None |
| Invalid attributes | None |
For more information about the attribute contexts, see Attribute Contexts.
IDL Attributes
Typedef, Enum, Union, and Struct Attributes
Parameter Attributes