---
title: "_com_error::GUID"
ms.date: "11/04/2016"
f1_keywords: ["_com_error::GUID"]
helpviewer_keywords: ["GUID method [C++]"]
ms.assetid: e84c2c23-d02e-48f8-b776-9bd6937296d2
---
# _com_error::GUID

**Microsoft Specific**

Calls `IErrorInfo::GetGUID` function.

## Syntax

```
GUID GUID( ) const throw( );
```

## Return Value

Returns the result of `IErrorInfo::GetGUID` for the `IErrorInfo` object recorded within the `_com_error` object. If no `IErrorInfo` object is recorded, it returns `GUID_NULL`.

## Remarks

Any failure while calling the `IErrorInfo::GetGUID` method is ignored.

**END Microsoft Specific**

## See also

[_com_error Class](../cpp/com-error-class.md)