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52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#include "pch.h"
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#include "ClassFactory.h"
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#include "ExplorerCommand.h"
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// Implementations of inherited IUnknown methods
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IFACEMETHODIMP ClassFactory::QueryInterface(REFIID riid, void** ppv)
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{
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static const QITAB qit[] = {
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QITABENT(ClassFactory, IClassFactory),
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{ 0, 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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IFACEMETHODIMP_(ULONG) ClassFactory::AddRef()
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{
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return ++m_ref_count;
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}
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IFACEMETHODIMP_(ULONG) ClassFactory::Release()
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{
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auto result = --m_ref_count;
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if (result == 0)
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{
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delete this;
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}
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return result;
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}
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// Implementations of inherited IClassFactory methods
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IFACEMETHODIMP ClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
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{
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*ppvObject = NULL;
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HRESULT hr;
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if (pUnkOuter)
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{
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hr = CLASS_E_NOAGGREGATION;
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}
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else if (m_clsid == __uuidof(ExplorerCommand))
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{
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hr = ExplorerCommand::s_CreateInstance(pUnkOuter, riid, ppvObject);
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}
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else
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{
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hr = CLASS_E_CLASSNOTAVAILABLE;
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}
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return hr;
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}
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