443 lines
9.5 KiB
C++
443 lines
9.5 KiB
C++
//+-------------------------------------------------------------------
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//
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// Class: CAdvBndCF
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//
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// Synopsis: Class Factory for CAdvBnd
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//
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// Interfaces: IUnknown - QueryInterface, AddRef, Release
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// IClassFactory - CreateInstance
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <advbnd.hxx>
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const GUID CLSID_AdvBnd =
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{0x99999999,0x0000,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x48}};
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBndCF::CAdvBndCF()
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//
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// Synopsis: The constructor for CAdvBnd.
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//
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// Arguments: None
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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CAdvBndCF::CAdvBndCF() : _cRefs(1), _pCF(NULL)
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{
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return;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::~CAdvBndObj()
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//
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// Synopsis: The destructor for CAdvBnd.
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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CAdvBndCF::~CAdvBndCF()
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{
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if (_pCF)
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{
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_pCF->Release();
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}
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return;
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}
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//+-------------------------------------------------------------------
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//
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// Method: CAdvBndCF::QueryInterface
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//
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// Synopsis: Only IUnknown and IClassFactory supported
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBndCF::QueryInterface(REFIID iid, void FAR * FAR * ppv)
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{
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if (IsEqualIID(iid, IID_IUnknown) ||
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IsEqualIID(iid, IID_IClassFactory))
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{
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*ppv = (IUnknown *) this;
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AddRef();
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return S_OK;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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}
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STDMETHODIMP_(ULONG) CAdvBndCF::AddRef(void)
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{
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return ++_cRefs;
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}
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STDMETHODIMP_(ULONG) CAdvBndCF::Release(void)
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{
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if (--_cRefs == 0)
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{
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delete this;
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}
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return _cRefs;
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}
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//+-------------------------------------------------------------------
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//
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// Method: CAdvBndCF::CreateInstance
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//
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// Synopsis: This is called by Binding process to create the
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// actual class object
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBndCF::CreateInstance(
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IUnknown FAR* pUnkOuter,
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REFIID iidInterface,
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void FAR* FAR* ppv)
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{
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Display(TEXT("CAdvBndCF::CreateInstance called\n"));
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HRESULT hresult;
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if (!_pCF)
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{
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// Load the class object for the class to aggregate.
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hresult = CoGetClassObject(CLSID_BasicBnd, CLSCTX_SERVER, NULL,
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IID_IClassFactory, (void **) &_pCF);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::CAdvBnd CoGetClassObject failed");
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if (FAILED(hresult))
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{
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return hresult;
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}
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}
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if (pUnkOuter != NULL)
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{
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return E_FAIL;
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}
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CAdvBnd * lpcBB = new FAR CAdvBnd((IClassFactory *) _pCF);
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if (lpcBB == NULL)
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{
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return E_OUTOFMEMORY;
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}
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hresult = lpcBB->QueryInterface(iidInterface, ppv);
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lpcBB->Release();
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return hresult;
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}
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STDMETHODIMP CAdvBndCF::LockServer(BOOL fLock)
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{
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if (fLock)
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GlobalRefs(TRUE);
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else
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GlobalRefs(FALSE);
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return S_OK;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::CAdvBnd()
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//
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// Synopsis: The constructor for CAdvBnd. I
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//
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// Arguments: None
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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CAdvBnd::CAdvBnd(IClassFactory *pcfBase) : _xiunk(), _dwRegister(0), _cRefs(1)
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{
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HRESULT hresult = pcfBase->CreateInstance((IUnknown *) this, IID_IUnknown,
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(void **) &_xiunk);
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GlobalRefs(TRUE);
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::~CAdvBndObj()
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//
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// Synopsis: The destructor for CAdvBnd.
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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CAdvBnd::~CAdvBnd()
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{
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Display(TEXT("CAdvBndCF::~CAdvBnd called\n"));
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if (_dwRegister != 0)
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{
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// Get the running object table
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IRunningObjectTable *prot;
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HRESULT hresult = GetRunningObjectTable(0, &prot);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::~CAdvBnd GetRunningObjectTable failed");
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hresult = prot->Revoke(_dwRegister);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::~CAdvBnd Revoke failed");
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prot->Release();
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}
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GlobalRefs(FALSE);
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::QueryInterface
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//
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// Returns: SUCCESS_SUCCCESS
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBnd::QueryInterface(REFIID iid, void ** ppunk)
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{
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Display(TEXT("CAdvBnd::QueryInterface called\n"));
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if (IsEqualIID(iid, IID_IUnknown))
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{
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*ppunk = (IUnknown *) this;
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AddRef();
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return S_OK;
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}
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else if ((IsEqualIID(iid, IID_IPersistFile)) ||
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(IsEqualIID(iid, IID_IPersist)))
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{
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*ppunk = (IPersistFile *) this;
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AddRef();
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return S_OK;
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}
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return _xiunk->QueryInterface(iid, ppunk);
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}
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STDMETHODIMP_(ULONG) CAdvBnd::AddRef(void)
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{
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return ++_cRefs;
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}
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STDMETHODIMP_(ULONG) CAdvBnd::Release(void)
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{
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if (--_cRefs == 0)
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{
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delete this;
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}
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return _cRefs;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::Load
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//
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// Synopsis: IPeristFile interface - needed 'cause we bind with
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// file moniker and BindToObject insists on calling this
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBnd::Load(LPCOLESTR lpszFileName, DWORD grfMode)
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{
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Display(TEXT("CAdvBndCF::Load called\n"));
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// Forward call to delegated class
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IPersistFile *pipfile;
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HRESULT hresult = _xiunk->QueryInterface(IID_IPersistFile,
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(void **) &pipfile);
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hresult = pipfile->Load(lpszFileName, grfMode);
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pipfile->Release();
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if (FAILED(hresult))
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{
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// Make sure delegated too class liked what it got/
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// BUGBUG: Can't just forward hresults!
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return hresult;
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}
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// Create a file moniker. Cast to avoid const problem.
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IMoniker *pmk;
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hresult = CreateFileMoniker((LPOLESTR)lpszFileName, &pmk);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::Load CreateFileMoniker failed");
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// Get the running object table
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IRunningObjectTable *prot;
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hresult = GetRunningObjectTable(0, &prot);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::Load GetRunningObjectTable failed");
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// Register in the running object table
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IUnknown *punk;
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QueryInterface(IID_IUnknown, (void **) &punk);
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hresult = prot->Register(0, punk, pmk, &_dwRegister);
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Win4Assert(SUCCEEDED(hresult)
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&& "CAdvBnd::Load Register failed");
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// Set filetime to known value
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FILETIME filetime;
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memset(&filetime, 'B', sizeof(filetime));
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// Set time to some known value
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prot->NoteChangeTime(_dwRegister, &filetime);
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// Release uneeded objects
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pmk->Release();
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prot->Release();
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punk->Release();
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return S_OK;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::Save
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//
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// Synopsis: IPeristFile interface - save
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// does little but here for commentry
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBnd::Save(LPCOLESTR lpszFileName, BOOL fRemember)
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{
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Display(TEXT("CAdvBndCF::Save called\n"));
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// Forward call to delegated class
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IPersistFile *pipfile;
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HRESULT hresult = _xiunk->QueryInterface(IID_IPersistFile,
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(void **) &pipfile);
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hresult = pipfile->Save(lpszFileName, fRemember);
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pipfile->Release();
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return hresult;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CAdvBnd::SaveCpmpleted
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// CAdvBnd::GetCurFile
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// CAdvBnd::IsDirty
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//
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// Synopsis: More IPeristFile interface methods
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//
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// History: 21-Nov-92 SarahJ Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CAdvBnd::SaveCompleted(LPCOLESTR lpszFileName)
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{
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Display(TEXT("CAdvBndCF::SaveCompleted called\n"));
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// Forward call to delegated class
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IPersistFile *pipfile;
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HRESULT hresult = _xiunk->QueryInterface(IID_IPersistFile,
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(void **) &pipfile);
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hresult = pipfile->SaveCompleted(lpszFileName);
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pipfile->Release();
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return hresult;
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}
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STDMETHODIMP CAdvBnd::GetCurFile(LPOLESTR FAR *lpszFileName)
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{
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Display(TEXT("CAdvBndCF::GetCurFile called\n"));
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// Forward call to delegated class
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IPersistFile *pipfile;
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HRESULT hresult = _xiunk->QueryInterface(IID_IPersistFile,
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(void **) &pipfile);
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hresult = pipfile->GetCurFile(lpszFileName);
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pipfile->Release();
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return hresult;
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}
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STDMETHODIMP CAdvBnd::IsDirty()
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{
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Display(TEXT("CAdvBndCF::IsDirty called\n"));
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// Forward call to delegated class
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IPersistFile *pipfile;
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HRESULT hresult = _xiunk->QueryInterface(IID_IPersistFile,
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(void **) &pipfile);
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hresult = pipfile->IsDirty();
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pipfile->Release();
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return hresult;
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}
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//+-------------------------------------------------------------------
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//
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// Interface: IPersist
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//
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// Synopsis: IPersist interface methods
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// Need to return a valid class id here
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//
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// History: 21-Nov-92 SarahJ Created
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//
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STDMETHODIMP CAdvBnd::GetClassID(LPCLSID classid)
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{
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Display(TEXT("CAdvBndCF::GetClassID called\n"));
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*classid = CLSID_AdvBnd;
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return S_OK;
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}
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