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vararg

Specifies that the function takes a variable number of arguments.

[vararg]

Remarks

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

Example

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);
};

Requirements

Attribute Context

Applies to

Interface method

Repeatable

No

Required attributes

None

Invalid attributes

None

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

See Also

Concepts

IDL Attributes

Method Attributes

ATL Samples