ref (C++)

2018-01-03

The latest version of this topic can be found at 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.

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