title	helpstringcontext | Microsoft Docs
ms.custom
ms.date	11/04/2016
ms.technology	cpp-windows
ms.topic	reference
f1_keywords	vc-attr.helpstringcontext
dev_langs	C++
helpviewer_keywords	helpstringcontext attribute [C++]
ms.assetid	d4cd135e-d91c-4aa3-9353-8aeb096f52cf
author	mikeblome
ms.author	mblome
ms.workload	cplusplus uwp

helpstringcontext

Specifies the ID of a help topic in an .hlp or .chm file.

Syntax

  
      [ helpstringcontext(  
   contextID  
) ]  

Parameters

contextID
A 32-bit Help context identifier in the Help file.

Remarks

The helpstringcontext C++ attribute has the same functionality as the helpstringcontext ODL attribute.

Example

// cpp_attr_ref_helpstringcontext.cpp  
// compile with: /LD  
#include <unknwn.h>  
[module(name="MyLib")];  
  
[   object,   
   helpstring("help string"),   
   helpstringcontext(1),   
   uuid="11111111-1111-1111-1111-111111111111"  
]  
__interface IMyI   
{  
   HRESULT xx();  
};  

Requirements

Attribute Context

Applies to	class, interface, interface method
Repeatable	No
Required attributes	None
Invalid attributes	None

For more information, see Attribute Contexts.

See Also

IDL Attributes
Interface Attributes
Class Attributes
Method Attributes
module