88 lines
1.7 KiB
C++
88 lines
1.7 KiB
C++
//***************************************************************************
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//
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// CLASSFAC.CPP
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//
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// Copyright (c) 1999-2001 Microsoft Corporation, All Rights Reserved
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//
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//***************************************************************************
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#include <precomp.h>
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#include "classfac.h"
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#include "methods.h"
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CMethodsFactory::CMethodsFactory()
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{
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m_cRef=0L;
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return;
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}
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CMethodsFactory::~CMethodsFactory(void)
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{
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return;
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}
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STDMETHODIMP CMethodsFactory::QueryInterface(REFIID riid
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, LPVOID * ppv)
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{
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*ppv = NULL;
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if(IID_IUnknown==riid || IID_IClassFactory==riid) *ppv = this;
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if(NULL != *ppv){
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AddRef();
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return NOERROR;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CMethodsFactory::AddRef(void)
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{
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return ++m_cRef;
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}
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STDMETHODIMP_(ULONG) CMethodsFactory::Release(void)
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{
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ULONG nNewCount = InterlockedDecrement((long*)&m_cRef);
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if (0L == nNewCount) delete this;
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return nNewCount;
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}
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STDMETHODIMP CMethodsFactory::CreateInstance(LPUNKNOWN pUnkOuter
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, REFIID riid, LPVOID * ppvObj)
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{
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CMethods *pObj;
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HRESULT hr = S_OK;
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*ppvObj = NULL;
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hr = E_OUTOFMEMORY;
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// This object doesnt support aggregation.
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if(NULL != pUnkOuter) return CLASS_E_NOAGGREGATION;
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// Create the object.
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pObj = new CMethods();
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if(NULL == pObj) return E_OUTOFMEMORY;
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hr = pObj->QueryInterface(riid, ppvObj);
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//Kill the object if initial creation or Init failed.
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if(FAILED(hr)) delete pObj;
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return hr;
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}
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STDMETHODIMP CMethodsFactory::LockServer(BOOL fLock)
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{
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if(fLock) InterlockedIncrement(&g_cLock);
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else InterlockedDecrement(&g_cLock);
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return NOERROR;
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}
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