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ref (C++)

  • Article

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 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.

See also

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