Specifies the name of the DLL to use to perform document string lookup (localization).

[ helpstringdll("string") ]

string
The DLL to use to perform document string lookup.

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

// cpp_attr_ref_helpstringdll.cpp
// compile with: /LD
#include <unknwn.h>
[module(name="MyLib", helpstringdll="xx.dll")];

[object, uuid("00000000-0000-0000-0000-000000000001")]
__interface IMyI
{
   HRESULT xxx();
};

For more information, see Attribute Contexts.

IDL Attributes
Interface Attributes
Class Attributes
Method Attributes