---
title: "_bstr_t::copy | Microsoft Docs"
ms.custom: ""
ms.date: "11/04/2016"
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ms.technology: ["cpp-language"]
ms.tgt_pltfrm: ""
ms.topic: "language-reference"
f1_keywords: ["_bstr_t::copy"]
dev_langs: ["C++"]
helpviewer_keywords: ["Copy method [C++]", "BSTR object [C++], copy"]
ms.assetid: 00ba7311-e82e-4a79-8106-5329fa2f869a
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author: "mikeblome"
ms.author: "mblome"
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---
# _bstr_t::copy
**Microsoft Specific**  
  
 Constructs a copy of the encapsulated `BSTR`.  
  
## Syntax  
  
```  
  
      BSTR copy(  
  bool fCopy = true  
) const;  
```  
  
#### Parameters  
 `fCopy`  
 If **true**, **copy** returns a copy of the contained `BSTR`, otherwise **copy** returns the actual BSTR.  
  
## Remarks  
 Returns a newly allocated copy of the encapsulated `BSTR` object.  
  
## Example  
  
```  
STDMETHODIMP CAlertMsg::get_ConnectionStr(BSTR *pVal){ //  m_bsConStr is _bstr_t  
   *pVal = m_bsConStr.copy();  
}  
```  
  
 **END Microsoft Specific**  
  
## See Also  
 [_bstr_t Class](../cpp/bstr-t-class.md)