Method GetCount

UnitTest/UnitTest.cpp:294–299

            }

            HRESULT STDMETHODCALLTYPE GetCount(
                /* [out] */ __RPC__out DWORD* pdwNumItems)
            {
                *pdwNumItems = m_items.size();
                return S_OK;
            }

            HRESULT STDMETHODCALLTYPE GetItemAt(
                /* [in] */ DWORD dwIndex,