---
description: "Learn more about: _com_error::operator="
title: "_com_error::operator="
ms.date: 11/17/2022
f1_keywords: ["COMDEF/_com_error::operator=", "_com_error::operator="]
helpviewer_keywords: ["_com_error operator= [C++]"]
ms.assetid: b9cc4094-d055-450c-b45a-0a95317488f8
---
# `_com_error::operator=`

**Microsoft Specific**

Assigns an existing `_com_error` object to another.

## Syntax

```cpp
_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)