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CComBSTR::Copy

할당 복사본을 반환 하 고 m_str.

BSTR Copy( ) const throw();

반환 값

복사본은 m_str 멤버입니다.If m_str is NULL, returns NULL.

예제

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;
}

요구 사항

헤더: atlbase.h

참고 항목

참조

CComBSTR 클래스

CComBSTR::CopyTo

CComBSTR::operator =