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title: "_bstr_t::length | Microsoft Docs"
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---
# _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)