This documentation is archived and is not being maintained.


Specifies that the function takes a variable number of arguments.


Attribute Context

Applies to Interface method
Repeatable No
Required attributes None
Invalid attributes None

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


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"

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

See Also

IDL Attributes | Method Attributes | Attributes Samples