Skip to content

Latest commit

 

History

History
55 lines (41 loc) · 1.2 KB

File metadata and controls

55 lines (41 loc) · 1.2 KB
title ref (C++ COM Attribute)
ms.date 10/02/2018
f1_keywords
vc-attr.ref
helpviewer_keywords
ref attribute
ms.assetid 67e82d3e-07d9-4ef8-bf2b-0a4491d12557

ref (C++)

Identifies a reference pointer.

Syntax

[ref]

Remarks

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

Example

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 );
};

Requirements

Attribute Context

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.

See also

IDL Attributes
Typedef, Enum, Union, and Struct Attributes
Parameter Attributes