CComBSTR::Copy

Alloca e restituisce una copia m_str.

BSTR Copy( ) const throw();

Valore restituito

Una copia del membro m_str.Se m_str è NULL, restituisce NULL.

Esempio

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;
}

Requisiti

Header: atlbase.h

Vedere anche

Riferimenti

CComBSTR (classe)

CComBSTR::CopyTo

CComBSTR::operator =