---
title: "_bstr_t::length"
ms.date: "11/04/2016"
f1_keywords: ["_bstr_t::length"]
helpviewer_keywords: ["length method [C++]", "BSTR object [C++], length"]
ms.assetid: 4f2e2c76-8894-4ef9-833f-4c6e796d0654
---
# _bstr_t::length

**Microsoft Specific**

Returns the number of characters in the `_bstr_t`, not including the terminating null, of the encapsulated `BSTR`.

## Syntax

```
unsigned int length ( ) const throw( );
```

## Remarks

**END Microsoft Specific**

## See also

[_bstr_t Class](../cpp/bstr-t-class.md)