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367 lines
9.1 KiB
367 lines
9.1 KiB
// MarshalableTI.h : Declaration of the CMarshalableTI
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#ifndef __MARSHALABLETI_H_
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#define __MARSHALABLETI_H_
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#include "mslablti.h"
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#include "resource.h" // main symbols
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// ATL doesn't support multiple LCID's at the same time
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// Whatever LCID is queried for first is the one that is used.
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class CComTypeInfoHolder2
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{
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// Should be 'protected' but can cause compiler to generate fat code.
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public:
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const GUID* m_pguid;
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const GUID* m_plibid;
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WORD m_wMajor;
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WORD m_wMinor;
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ITypeInfo* m_pInfo;
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long m_dwRef;
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struct stringdispid
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{
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CComBSTR bstr;
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int nLen;
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DISPID id;
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};
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stringdispid* m_pMap;
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int m_nCount;
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CComTypeInfoHolder2()
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{
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m_pInfo = NULL;
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m_pMap = NULL;
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}
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~CComTypeInfoHolder2()
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{
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if (m_pInfo != NULL)
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{
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m_pInfo->Release();
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}
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m_pInfo = NULL;
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if(m_pMap!= NULL)
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{
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delete [] m_pMap;
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}
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m_pMap = NULL;
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}
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public:
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HRESULT GetTI(LCID lcid, ITypeInfo** ppInfo)
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{
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HRESULT hr = S_OK;
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if (m_pInfo == NULL)
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hr = GetTI(lcid);
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*ppInfo = m_pInfo;
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if (m_pInfo != NULL)
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{
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m_pInfo->AddRef();
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hr = S_OK;
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}
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return hr;
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}
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HRESULT GetTI(LCID lcid);
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HRESULT EnsureTI(LCID lcid)
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{
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HRESULT hr = S_OK;
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if (m_pInfo == NULL)
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hr = GetTI(lcid);
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return hr;
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}
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HRESULT GetTypeInfo(UINT /* itinfo */, LCID lcid, ITypeInfo** pptinfo)
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{
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HRESULT hRes = E_POINTER;
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if (pptinfo != NULL)
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hRes = GetTI(lcid, pptinfo);
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return hRes;
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}
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HRESULT GetIDsOfNames(REFIID /* riid */, LPOLESTR* rgszNames, UINT cNames,
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LCID lcid, DISPID* rgdispid)
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{
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HRESULT hRes = EnsureTI(lcid);
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if (m_pInfo != NULL)
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{
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for (int i=0; i<(int)cNames; i++)
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{
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int n = ocslen(rgszNames[i]);
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for (int j=m_nCount-1; j>=0; j--)
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{
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if ((n == m_pMap[j].nLen) &&
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(memcmp(m_pMap[j].bstr, rgszNames[i], m_pMap[j].nLen * sizeof(OLECHAR)) == 0))
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{
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rgdispid[i] = m_pMap[j].id;
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break;
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}
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}
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if (j < 0)
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{
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hRes = m_pInfo->GetIDsOfNames(rgszNames + i, 1, &rgdispid[i]);
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if (FAILED(hRes))
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break;
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}
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}
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}
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return hRes;
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}
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HRESULT Invoke(IDispatch* p, DISPID dispidMember, REFIID /* riid */,
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LCID lcid, WORD wFlags, DISPPARAMS* pdispparams, VARIANT* pvarResult,
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EXCEPINFO* pexcepinfo, UINT* puArgErr)
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{
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HRESULT hRes = EnsureTI(lcid);
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if (m_pInfo != NULL)
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hRes = m_pInfo->Invoke(p, dispidMember, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr);
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return hRes;
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}
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HRESULT LoadNameCache(ITypeInfo* pTypeInfo)
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{
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TYPEATTR* pta;
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HRESULT hr = pTypeInfo->GetTypeAttr(&pta);
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if (SUCCEEDED(hr))
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{
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m_nCount = pta->cFuncs;
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m_pMap = m_nCount == 0 ? 0 : new stringdispid[m_nCount];
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for (int i=0; i<m_nCount; i++)
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{
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FUNCDESC* pfd;
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if (SUCCEEDED(pTypeInfo->GetFuncDesc(i, &pfd)))
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{
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CComBSTR bstrName;
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if (SUCCEEDED(pTypeInfo->GetDocumentation(pfd->memid, &bstrName, NULL, NULL, NULL)))
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{
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m_pMap[i].bstr.Attach(bstrName.Detach());
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m_pMap[i].nLen = SysStringLen(m_pMap[i].bstr);
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m_pMap[i].id = pfd->memid;
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}
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pTypeInfo->ReleaseFuncDesc(pfd);
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}
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}
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pTypeInfo->ReleaseTypeAttr(pta);
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}
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return S_OK;
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}
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};
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inline HRESULT CComTypeInfoHolder2::GetTI(LCID lcid)
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{
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//If this assert occurs then most likely didn't initialize properly
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ATLASSERT(m_plibid != NULL && m_pguid != NULL);
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ATLASSERT(!InlineIsEqualGUID(*m_plibid, GUID_NULL) && "Did you forget to pass the LIBID to CComModule::Init?");
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if (m_pInfo != NULL)
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return S_OK;
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HRESULT hRes = E_FAIL;
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EnterCriticalSection(&_Module.m_csTypeInfoHolder);
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if (m_pInfo == NULL)
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{
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ITypeLib* pTypeLib;
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hRes = LoadRegTypeLib(*m_plibid, m_wMajor, m_wMinor, lcid, &pTypeLib);
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if (SUCCEEDED(hRes))
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{
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CComPtr<ITypeInfo> spTypeInfo;
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hRes = pTypeLib->GetTypeInfoOfGuid(*m_pguid, &spTypeInfo);
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if (SUCCEEDED(hRes))
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{
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CComPtr<ITypeInfo> spInfo(spTypeInfo);
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CComPtr<ITypeInfo2> spTypeInfo2;
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if (SUCCEEDED(spTypeInfo->QueryInterface(IID_ITypeInfo2, reinterpret_cast<void**>(&spTypeInfo2))))
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spInfo = spTypeInfo2;
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LoadNameCache(spInfo);
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m_pInfo = spInfo.Detach();
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}
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pTypeLib->Release();
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}
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}
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LeaveCriticalSection(&_Module.m_csTypeInfoHolder);
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return hRes;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CMarshalableTI
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class ATL_NO_VTABLE CMarshalableTI :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<CMarshalableTI, &CLSID_MarshalableTI>,
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public IMarshalableTI,
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public IMarshal,
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public ITypeInfo
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{
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private:
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CComTypeInfoHolder2 m_TIHolder;
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GUID m_guid;
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GUID m_libid;
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LCID m_lcid;
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bool m_bCreated;
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public:
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DECLARE_REGISTRY_RESOURCEID(IDR_MSLABLTI)
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DECLARE_NOT_AGGREGATABLE(CMarshalableTI)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CMarshalableTI)
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COM_INTERFACE_ENTRY(IMarshalableTI)
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COM_INTERFACE_ENTRY(IMarshal)
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COM_INTERFACE_ENTRY(ITypeInfo)
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END_COM_MAP()
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HRESULT FinalConstruct();
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/////////////////////////////////////////////////////////////////////////////////
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// IMarshalableTI methods
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STDMETHOD(Create)(/*[in]*/ REFIID clsid,
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/*[in]*/ REFIID iidLib,
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/*[in]*/ LCID lcid,
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/*[in]*/ WORD dwMajorVer,
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/*[in]*/ WORD dwMinorVer);
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/////////////////////////////////////////////////////////////////////////////////
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// IMarshal methods
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STDMETHOD(GetUnmarshalClass)(
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/* [in] */ REFIID riid,
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/* [unique][in] */ void *pv,
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/* [in] */ DWORD dwDestContext,
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/* [unique][in] */ void *pvDestContext,
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/* [in] */ DWORD mshlflags,
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/* [out] */ CLSID *pCid);
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STDMETHOD(GetMarshalSizeMax)(
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/* [in] */ REFIID riid,
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/* [unique][in] */ void *pv,
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/* [in] */ DWORD dwDestContext,
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/* [unique][in] */ void *pvDestContext,
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/* [in] */ DWORD mshlflags,
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/* [out] */ DWORD *pSize);
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STDMETHOD(MarshalInterface)(
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/* [unique][in] */ IStream *pStm,
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/* [in] */ REFIID riid,
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/* [unique][in] */ void *pv,
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/* [in] */ DWORD dwDestContext,
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/* [unique][in] */ void *pvDestContext,
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/* [in] */ DWORD mshlflags);
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STDMETHOD(UnmarshalInterface)(
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/* [unique][in] */ IStream *pStm,
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/* [in] */ REFIID riid,
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/* [out] */ void **ppv);
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STDMETHOD(ReleaseMarshalData)(
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/* [unique][in] */ IStream *pStm);
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STDMETHOD(DisconnectObject)(
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/* [in] */ DWORD dwReserved);
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/////////////////////////////////////////////////////////////////////////////////
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// ITypeInfo methods
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STDMETHOD(GetTypeAttr)(
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TYPEATTR ** ppTypeAttr);
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STDMETHOD(GetTypeComp)(
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ITypeComp ** ppTComp);
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STDMETHOD(GetFuncDesc)(
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UINT index,
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FUNCDESC ** ppFuncDesc);
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STDMETHOD(GetVarDesc)(
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UINT index,
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VARDESC ** ppVarDesc);
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STDMETHOD(GetNames)(
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MEMBERID memid,
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BSTR * rgBstrNames,
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UINT cMaxNames,
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UINT * pcNames);
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STDMETHOD(GetRefTypeOfImplType)(
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UINT index,
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HREFTYPE * pRefType);
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STDMETHOD(GetImplTypeFlags)(
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UINT index,
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INT * pImplTypeFlags);
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STDMETHOD(GetIDsOfNames)(
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LPOLESTR * rgszNames,
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UINT cNames,
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MEMBERID * pMemId);
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STDMETHOD(Invoke)(
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PVOID pvInstance,
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MEMBERID memid,
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WORD wFlags,
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DISPPARAMS * pDispParams,
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VARIANT * pVarResult,
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EXCEPINFO * pExcepInfo,
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UINT * puArgErr);
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STDMETHOD(GetDocumentation)(
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MEMBERID memid,
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BSTR * pBstrName,
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BSTR * pBstrDocString,
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DWORD * pdwHelpContext,
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BSTR * pBstrHelpFile);
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STDMETHOD(GetDllEntry)(
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MEMBERID memid,
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INVOKEKIND invKind,
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BSTR * pBstrDllName,
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BSTR * pBstrName,
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WORD * pwOrdinal);
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STDMETHOD(GetRefTypeInfo)(
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HREFTYPE hRefType,
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ITypeInfo ** ppTInfo);
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STDMETHOD(AddressOfMember)(
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MEMBERID memid,
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INVOKEKIND invKind,
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PVOID * ppv);
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STDMETHOD(CreateInstance)(
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IUnknown * pUnkOuter,
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REFIID riid,
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PVOID * ppvObj);
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STDMETHOD(GetMops)(
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MEMBERID memid,
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BSTR * pBstrMops);
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STDMETHOD(GetContainingTypeLib)(
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ITypeLib ** ppTLib,
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UINT * pIndex);
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STDMETHOD_(void, ReleaseTypeAttr)(
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TYPEATTR * pTypeAttr);
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STDMETHOD_(void, ReleaseFuncDesc)(
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FUNCDESC * pFuncDesc);
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STDMETHOD_(void, ReleaseVarDesc)(
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VARDESC * pVarDesc);
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private:
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HRESULT _GetClassInfo(ITypeInfo** ppTI);
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};
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#endif //__MARSHALABLETI_H_
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