绑定到用户容器的示例代码

以下 C++ 代码示例将绑定到当前域中的用户容器，并返回容器的 IADsContainer 接口。 有关绑定到已知对象的详细信息，请参阅使用 WKGUID 绑定到已知对象。

//**********************************************************
//
//  GetUsersContainer()
//
//  Binds to the well-known Users container in the current domain 
//  with the current user credentials. GUID_USERS_CONTAINER_W is 
//  defined in NTDSAPI.H.
//
//*******************************************************************

HRESULT GetUsersContainer(IADsContainer **ppContainer)
{
    if(NULL == ppContainer)
    {
        return E_INVALIDARG;
    }

    HRESULT hr;
    IADs *pRoot;

    *ppContainer = NULL;

    // Bind to the rootDSE object.
    hr = ADsOpenObject(L"LDAP://rootDSE",
                    NULL,
                    NULL,
                    ADS_SECURE_AUTHENTICATION,
                    IID_IADs,
                    (LPVOID*)&pRoot);
    if(SUCCEEDED(hr))
    {
        VARIANT var;
        
        VariantInit(&var);

        // Get the current domain DN.
        hr = pRoot->Get(CComBSTR("defaultNamingContext"), &var);
        if(SUCCEEDED(hr))
        {
            // Build the binding string.
            LPWSTR pwszFormat = L"LDAP://<WKGUID=%s,%s>";
            LPWSTR pwszPath;

            pwszPath = new WCHAR[wcslen(pwszFormat) + 
                           wcslen(GUID_USERS_CONTAINER_W) + 
                           wcslen(var.bstrVal)];
            if(NULL != pwszPath)
            {
                swprintf_s(pwszPath, 
                         pwszFormat, 
                         GUID_USERS_CONTAINER_W,
                         var.bstrVal);

                // Bind to the object.
                hr = ADsOpenObject(pwszPath,
                                NULL,
                                NULL,
                                ADS_SECURE_AUTHENTICATION,
                                IID_IADsContainer,
                                (LPVOID*)ppContainer);

                delete pwszPath;
            }
            else
            {
                hr = E_OUTOFMEMORY;
            }

            VariantClear(&var);        
        }

        pRoot->Release(); 
    }

    return hr;
}