CComBSTR::m_str

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Contains the BSTR associated with the CComBSTR object.

BSTR m_str;

Example

CComBSTR GuidToBSTR(REFGUID guid) 
{
    // 39 - length of string representation of GUID + 1
    CComBSTR b(39); 

    // Convert GUID to BSTR 
    // m_str member of CComBSTR is of type BSTR. When BSTR param  
    // is required, pass the m_str member explicitly or use implicit  
    // BSTR cast operator. 
    int nRet = StringFromGUID2(guid, b.m_str, 39); 

    // Above equivalent to: 
    // int nRet = StringFromGUID2(guid, b, 39);  
    // implicit BSTR cast operator used for 2nd param 

    // Both lines are equivalent to: 
    // CComBSTR b(guid); 
    // CComBSTR constructor can convert GUIDs

    ATLASSERT(nRet); 
    return b; 
}

Requirements

Header: atlbase.h

See Also

Reference

CComBSTR Class