--- title: "_com_error::operator = | 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::operator="] dev_langs: ["C++"] helpviewer_keywords: ["operator= _com_error objects", "= operator [C++], with specific Visual C++ objects", "operator = _com_error objects"] ms.assetid: b9cc4094-d055-450c-b45a-0a95317488f8 caps.latest.revision: 6 author: "mikeblome" ms.author: "mblome" manager: "ghogen" --- # _com_error::operator = **Microsoft Specific** Assigns an existing `_com_error` object to another. ## Syntax ``` _com_error& operator = ( const _com_error& that ) throw ( ); ``` #### Parameters `that` A `_com_error` object. **END Microsoft Specific** ## See Also [_com_error Class](../cpp/com-error-class.md)