---
description: "Learn more about: _bstr_t::length"
title: "_bstr_t::length"
ms.date: 02/02/2021
f1_keywords: ["_bstr_t::length"]
helpviewer_keywords: ["length method [C++]", "BSTR object [C++], length"]
---
# `_bstr_t::length`

**Microsoft Specific**

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

## Syntax

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

## Remarks

**END Microsoft Specific**

## See also

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