--- title: "_com_error::HelpContext | Microsoft Docs" ms.custom: "" ms.date: "11/04/2016" ms.reviewer: "" ms.suite: "" ms.technology: - "cpp-language" ms.tgt_pltfrm: "" ms.topic: "language-reference" f1_keywords: - "_com_error::HelpContext" - "HelpContext" - "_com_error.HelpContext" dev_langs: - "C++" helpviewer_keywords: - "HelpContext method" ms.assetid: 160d6443-9b68-4cf5-a540-50da951a5b2b caps.latest.revision: 6 author: "mikeblome" ms.author: "mblome" manager: "ghogen" translation.priority.ht: - "cs-cz" - "de-de" - "es-es" - "fr-fr" - "it-it" - "ja-jp" - "ko-kr" - "pl-pl" - "pt-br" - "ru-ru" - "tr-tr" - "zh-cn" - "zh-tw" --- # _com_error::HelpContext **Microsoft Specific** Calls **IErrorInfo::GetHelpContext** function. ## Syntax ``` DWORD HelpContext( ) const throw( ); ``` ## Return Value Returns the result of **IErrorInfo::GetHelpContext** for the **IErrorInfo** object recorded within the `_com_error` object. If no **IErrorInfo** object is recorded, it returns a zero. ## Remarks Any failure while calling the **IErrorInfo::GetHelpContext** method is ignored. **END Microsoft Specific** ## See Also [_com_error Class](../cpp/com-error-class.md)