CComBSTR::Copy

  • Article

Allocates and returns a copy of m_str.

BSTR Copy( ) const throw();

Return Value

A copy of the m_str member. If m_str is NULL, returns NULL.

Example

CComBSTR m_bstrURL;    // BSTR representing a URL

// put_URL is the put method for the URL property. 
STDMETHOD(put_URL)(BSTR strURL)
{
    ATLTRACE(_T("put_URL\n"));

    // free existing string in m_bstrURL & make a copy 
    // of strURL pointed to by m_bstrURL
    m_bstrURL = strURL;
    return S_OK;
}

// get_URL is the get method for the URL property. 
STDMETHOD(get_URL)(BSTR* pstrURL)
{
    ATLTRACE(_T("get_URL\n"));

    // make a copy of m_bstrURL pointed to by pstrURL
    *pstrURL = m_bstrURL.Copy(); // See CComBSTR::CopyTo
    return S_OK;
}

Requirements

Header: atlbase.h

See Also

Reference

CComBSTR Class

CComBSTR::CopyTo

CComBSTR::operator =

Other Resources

CComBSTR Members