| 8 | |
| 9 | template<class TImpl, const GUID *plibid = NULL> |
| 10 | class IDispatchImpl : public TImpl |
| 11 | { |
| 12 | private: |
| 13 | CComPtr<ITypeInfo> m_pTypeInfo; |
| 14 | |
| 15 | public: |
| 16 | // IUnknown |
| 17 | STDMETHODIMP QueryInterface(REFIID riid, void **ppvObject) { |
| 18 | if (ppvObject == NULL) { |
| 19 | return E_POINTER; |
| 20 | } |
| 21 | |
| 22 | *ppvObject = NULL; |
| 23 | |
| 24 | if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDispatch) || IsEqualIID(riid, __uuidof(TImpl))) { |
| 25 | *ppvObject = (TImpl *)this; |
| 26 | this->AddRef(); |
| 27 | return S_OK; |
| 28 | } |
| 29 | |
| 30 | return E_NOINTERFACE; |
| 31 | } |
| 32 | |
| 33 | // IDispatch |
| 34 | STDMETHODIMP GetTypeInfoCount(UINT *pctinfo) { |
| 35 | if (pctinfo == NULL) { |
| 36 | return E_POINTER; |
| 37 | } |
| 38 | *pctinfo = 1; |
| 39 | return S_OK; |
| 40 | } |
| 41 | |
| 42 | STDMETHODIMP GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { |
| 43 | if (ppTInfo == NULL) { |
| 44 | return E_POINTER; |
| 45 | } |
| 46 | |
| 47 | *ppTInfo = NULL; |
| 48 | |
| 49 | if (iTInfo != 0) { |
| 50 | return DISP_E_BADINDEX; |
| 51 | } |
| 52 | |
| 53 | if (m_pTypeInfo == NULL) { |
| 54 | if (plibid == NULL) { |
| 55 | return E_NOTIMPL; |
| 56 | } |
| 57 | |
| 58 | CComPtr<ITypeLib> pTypeLib; |
| 59 | HRESULT hr = LoadRegTypeLib(*plibid, 1, 0, LOCALE_NEUTRAL, &pTypeLib); |
| 60 | CHECK_HR_OR_RETURN(L"LoadRegTypeLib"); |
| 61 | |
| 62 | hr = pTypeLib->GetTypeInfoOfGuid(__uuidof(TImpl), &m_pTypeInfo); |
| 63 | CHECK_HR_OR_RETURN(L"GetTypeInfoOfGuid"); |
| 64 | } |
| 65 | |
| 66 | *ppTInfo = m_pTypeInfo; |
| 67 | m_pTypeInfo->AddRef(); |
nothing calls this directly
no outgoing calls
no test coverage detected