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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

vararg

Specifies that the function takes a variable number of arguments.

[vararg]

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

The following code shows a use of vararg:

// cpp_attr_ref_vararg.cpp
// compile with: /LD
#include "unknwn.h"
#include "oaidl.h"
[module(name="MyLibrary")];

[object, uuid("00000000-0000-0000-0000-000000000001")]
__interface X : public IUnknown 
{
   [vararg] HRESULT Button([in, satype(VARIANT)]SAFEARRAY *psa);
};

Attribute Context

Applies to

Interface method

Repeatable

No

Required attributes

None

Invalid attributes

None

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

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