701 lines
14 KiB
C++
701 lines
14 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995 - 1995.
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//
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// File: ole.cxx
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//
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// Contents: IUnknown & IClassFactory for all OLE objects
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//
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// History: 13-Dec-95 BruceFo Created
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//
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// Note: There are three types of IUnknown implementations here. The first
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// is for the "Shared Folders" COM objects. Each of these interfaces can be
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// QueryInterface'd from the others, and all return the same IUnknown. There
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// is a single shared object reference count (not interface reference count).
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// These interfaces include: IShellFolder, IPersistFolder, IRemoteComputer.
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//
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// The second type is standard, separate interfaces that get interface-specific
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// reference counts. This includes: IShellDetails, IEnumIDList,
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// IExtractIcon, IExtractIconA.
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//
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// The third type is the IUnknown implementation for the "Shared Folders"
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// COM object class factory. This object is a global static object, so it
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// never gets destructed.
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//
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//----------------------------------------------------------------------------
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#include "headers.hxx"
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#pragma hdrstop
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#include <initguid.h>
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#include "guids.h"
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#include "ole.hxx"
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#include "shares.h"
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#include "shares.hxx"
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#include "sdetails.hxx"
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#include "sfolder.hxx"
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#include "pfolder.hxx"
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#include "rcomp.hxx"
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#include "menu.hxx"
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#include "menusp.hxx"
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#include "menubg.hxx"
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#include "enum.hxx"
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#include "xicon.hxx"
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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ULONG g_ulcInstances = 0;
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CShares::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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HRESULT hr;
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if (IsEqualIID(IID_IUnknown, riid))
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{
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AddRef();
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*ppvObj = (IUnknown*) this;
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hr = S_OK;
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}
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else if (IsEqualIID(IID_IShellFolder, riid))
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{
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hr = m_ShellFolder.QueryInterface(riid, ppvObj);
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}
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else if (IsEqualIID(IID_IPersistFolder, riid))
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{
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hr = m_PersistFolder.QueryInterface(riid, ppvObj);
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}
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else if (IsEqualIID(IID_IRemoteComputer, riid))
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{
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hr = m_RemoteComputer.QueryInterface(riid, ppvObj);
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}
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else
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{
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*ppvObj = NULL;
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hr = E_NOINTERFACE;
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}
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CShares::AddRef()
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{
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InterlockedIncrement((LONG*)&g_ulcInstances);
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InterlockedIncrement((LONG*)&m_ulRefs);
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return m_ulRefs;
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}
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STDMETHODIMP_(ULONG)
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CShares::Release()
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{
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ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
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if (0 == cRef)
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{
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delete this;
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}
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InterlockedDecrement((LONG*)&g_ulcInstances);
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return cRef;
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}
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesSF::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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HRESULT hr;
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if (IsEqualIID(IID_IShellFolder, riid))
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{
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AddRef();
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*ppvObj = (IShellFolder*) this;
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hr = S_OK;
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}
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else
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{
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CShares* This = IMPL(CShares,m_ShellFolder,this);
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hr = This->QueryInterface(riid, ppvObj);
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}
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesSF::AddRef()
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{
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CShares* This = IMPL(CShares,m_ShellFolder,this);
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return This->AddRef();
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}
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STDMETHODIMP_(ULONG)
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CSharesSF::Release()
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{
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CShares* This = IMPL(CShares,m_ShellFolder,this);
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return This->Release();
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}
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesPF::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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HRESULT hr;
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if (IsEqualIID(IID_IPersistFolder, riid))
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{
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AddRef();
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*ppvObj = (IPersistFolder*) this;
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hr = S_OK;
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}
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else
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{
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CShares* This = IMPL(CShares,m_PersistFolder,this);
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hr = This->QueryInterface(riid, ppvObj);
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}
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesPF::AddRef()
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{
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CShares* This = IMPL(CShares,m_PersistFolder,this);
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return This->AddRef();
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}
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STDMETHODIMP_(ULONG)
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CSharesPF::Release()
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{
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CShares* This = IMPL(CShares,m_PersistFolder,this);
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return This->Release();
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}
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesRC::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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HRESULT hr;
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if (IsEqualIID(IID_IRemoteComputer, riid))
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{
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AddRef();
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*ppvObj = (IRemoteComputer*) this;
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hr = S_OK;
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}
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else
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{
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CShares* This = IMPL(CShares,m_RemoteComputer,this);
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hr = This->QueryInterface(riid, ppvObj);
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}
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesRC::AddRef()
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{
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CShares* This = IMPL(CShares,m_RemoteComputer,this);
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return This->AddRef();
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}
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STDMETHODIMP_(ULONG)
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CSharesRC::Release()
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{
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CShares* This = IMPL(CShares,m_RemoteComputer,this);
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return This->Release();
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}
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesSD::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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*ppvObj = NULL;
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IUnknown* pUnkTemp = NULL;
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HRESULT hr = S_OK;
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if (IsEqualIID(IID_IUnknown, riid))
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{
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pUnkTemp = (IUnknown*)(IShellDetails*) this;
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}
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else if (IsEqualIID(IID_IShellDetails, riid))
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{
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pUnkTemp = (IUnknown*)(IShellDetails*) this;
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}
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else
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{
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hr = E_NOINTERFACE;
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}
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if (pUnkTemp != NULL)
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{
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pUnkTemp->AddRef();
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}
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*ppvObj = pUnkTemp;
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesSD::AddRef()
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{
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InterlockedIncrement((LONG*)&g_ulcInstances);
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InterlockedIncrement((LONG*)&m_ulRefs);
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return m_ulRefs;
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}
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STDMETHODIMP_(ULONG)
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CSharesSD::Release()
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{
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ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
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if (0 == cRef)
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{
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delete this;
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}
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InterlockedDecrement((LONG*)&g_ulcInstances);
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return cRef;
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}
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesCM::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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*ppvObj = NULL;
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IUnknown* pUnkTemp = NULL;
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HRESULT hr = S_OK;
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if (IsEqualIID(IID_IUnknown, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else if (IsEqualIID(IID_IContextMenu, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else
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{
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hr = E_NOINTERFACE;
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}
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if (pUnkTemp != NULL)
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{
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pUnkTemp->AddRef();
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}
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*ppvObj = pUnkTemp;
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesCM::AddRef()
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{
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InterlockedIncrement((LONG*)&g_ulcInstances);
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InterlockedIncrement((LONG*)&m_ulRefs);
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return m_ulRefs;
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}
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STDMETHODIMP_(ULONG)
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CSharesCM::Release()
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{
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ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
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if (0 == cRef)
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{
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delete this;
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}
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InterlockedDecrement((LONG*)&g_ulcInstances);
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return cRef;
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}
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//////////////////////////////////////////////////////////////////////////////
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#ifdef WIZARDS
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STDMETHODIMP
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CSharesCMSpecial::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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*ppvObj = NULL;
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IUnknown* pUnkTemp = NULL;
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HRESULT hr = S_OK;
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if (IsEqualIID(IID_IUnknown, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else if (IsEqualIID(IID_IContextMenu, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else
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{
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hr = E_NOINTERFACE;
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}
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if (pUnkTemp != NULL)
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{
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pUnkTemp->AddRef();
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}
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*ppvObj = pUnkTemp;
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesCMSpecial::AddRef()
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{
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InterlockedIncrement((LONG*)&g_ulcInstances);
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InterlockedIncrement((LONG*)&m_ulRefs);
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return m_ulRefs;
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}
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STDMETHODIMP_(ULONG)
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CSharesCMSpecial::Release()
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{
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ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
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if (0 == cRef)
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{
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delete this;
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}
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InterlockedDecrement((LONG*)&g_ulcInstances);
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return cRef;
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}
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#endif // WIZARDS
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CSharesCMBG::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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*ppvObj = NULL;
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IUnknown* pUnkTemp = NULL;
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HRESULT hr = S_OK;
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if (IsEqualIID(IID_IUnknown, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else if (IsEqualIID(IID_IContextMenu, riid))
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{
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pUnkTemp = (IUnknown*)(IContextMenu*) this;
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}
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else
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{
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hr = E_NOINTERFACE;
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}
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if (pUnkTemp != NULL)
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{
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pUnkTemp->AddRef();
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}
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*ppvObj = pUnkTemp;
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return hr;
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}
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STDMETHODIMP_(ULONG)
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CSharesCMBG::AddRef()
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{
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InterlockedIncrement((LONG*)&g_ulcInstances);
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InterlockedIncrement((LONG*)&m_ulRefs);
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return m_ulRefs;
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}
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STDMETHODIMP_(ULONG)
|
||
|
|
CSharesCMBG::Release()
|
||
|
|
{
|
||
|
|
ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
|
||
|
|
if (0 == cRef)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesEnum::QueryInterface(REFIID riid, LPVOID* ppvObj)
|
||
|
|
{
|
||
|
|
*ppvObj = NULL;
|
||
|
|
|
||
|
|
IUnknown* pUnkTemp = NULL;
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (IsEqualIID(IID_IUnknown, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IEnumIDList*) this;
|
||
|
|
}
|
||
|
|
else if (IsEqualIID(IID_IEnumIDList, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IEnumIDList*) this;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pUnkTemp != NULL)
|
||
|
|
{
|
||
|
|
pUnkTemp->AddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppvObj = pUnkTemp;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEnum::AddRef()
|
||
|
|
{
|
||
|
|
InterlockedIncrement((LONG*)&g_ulcInstances);
|
||
|
|
InterlockedIncrement((LONG*)&m_ulRefs);
|
||
|
|
return m_ulRefs;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEnum::Release()
|
||
|
|
{
|
||
|
|
ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
|
||
|
|
if (0 == cRef)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesEI::QueryInterface(REFIID riid, LPVOID* ppvObj)
|
||
|
|
{
|
||
|
|
*ppvObj = NULL;
|
||
|
|
|
||
|
|
IUnknown* pUnkTemp = NULL;
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (IsEqualIID(IID_IUnknown, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IExtractIcon*) this;
|
||
|
|
}
|
||
|
|
else if (IsEqualIID(IID_IExtractIcon, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IExtractIcon*) this;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pUnkTemp != NULL)
|
||
|
|
{
|
||
|
|
pUnkTemp->AddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppvObj = pUnkTemp;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEI::AddRef()
|
||
|
|
{
|
||
|
|
InterlockedIncrement((LONG*)&g_ulcInstances);
|
||
|
|
InterlockedIncrement((LONG*)&m_ulRefs);
|
||
|
|
return m_ulRefs;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEI::Release()
|
||
|
|
{
|
||
|
|
ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
|
||
|
|
if (0 == cRef)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesEIA::QueryInterface(REFIID riid, LPVOID* ppvObj)
|
||
|
|
{
|
||
|
|
*ppvObj = NULL;
|
||
|
|
|
||
|
|
IUnknown* pUnkTemp = NULL;
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (IsEqualIID(IID_IUnknown, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IExtractIconA*) this;
|
||
|
|
}
|
||
|
|
else if (IsEqualIID(IID_IExtractIcon, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IExtractIconA*) this;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pUnkTemp != NULL)
|
||
|
|
{
|
||
|
|
pUnkTemp->AddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppvObj = pUnkTemp;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEIA::AddRef()
|
||
|
|
{
|
||
|
|
InterlockedIncrement((LONG*)&g_ulcInstances);
|
||
|
|
InterlockedIncrement((LONG*)&m_ulRefs);
|
||
|
|
return m_ulRefs;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesEIA::Release()
|
||
|
|
{
|
||
|
|
ULONG cRef = InterlockedDecrement((LONG*)&m_ulRefs);
|
||
|
|
if (0 == cRef)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // UNICODE
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesCF::QueryInterface(REFIID riid, LPVOID* ppvObj)
|
||
|
|
{
|
||
|
|
*ppvObj = NULL;
|
||
|
|
|
||
|
|
IUnknown* pUnkTemp = NULL;
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (IsEqualIID(IID_IUnknown, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IClassFactory*) this;
|
||
|
|
}
|
||
|
|
else if (IsEqualIID(IID_IClassFactory, riid))
|
||
|
|
{
|
||
|
|
pUnkTemp = (IUnknown*)(IClassFactory*) this;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pUnkTemp != NULL)
|
||
|
|
{
|
||
|
|
pUnkTemp->AddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppvObj = pUnkTemp;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesCF::AddRef()
|
||
|
|
{
|
||
|
|
InterlockedIncrement((LONG*)&g_ulcInstances);
|
||
|
|
return g_ulcInstances;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CSharesCF::Release()
|
||
|
|
{
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return g_ulcInstances;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesCF::CreateInstance(IUnknown* pUnkOuter, REFIID riid, LPVOID* ppvObj)
|
||
|
|
{
|
||
|
|
if (pUnkOuter != NULL)
|
||
|
|
{
|
||
|
|
// don't support aggregation
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CShares* pShare = new CShares();
|
||
|
|
if (NULL == pShare)
|
||
|
|
{
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT hr = pShare->QueryInterface(riid, ppvObj);
|
||
|
|
pShare->Release();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CSharesCF::LockServer(BOOL fLock)
|
||
|
|
{
|
||
|
|
return S_OK; // FEATURE: Whats supposed to happen here?
|
||
|
|
}
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
STDAPI
|
||
|
|
DllCanUnloadNow(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (0 == g_ulcInstances
|
||
|
|
&& 0 == g_NonOLEDLLRefs)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return S_FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
CSharesCF cfCShares;
|
||
|
|
|
||
|
|
STDAPI
|
||
|
|
DllGetClassObject(
|
||
|
|
REFCLSID cid,
|
||
|
|
REFIID iid,
|
||
|
|
LPVOID* ppvObj
|
||
|
|
)
|
||
|
|
{
|
||
|
|
InterlockedIncrement((LONG*)&g_ulcInstances); // don't nuke me now!
|
||
|
|
|
||
|
|
HRESULT hr = E_NOINTERFACE;
|
||
|
|
|
||
|
|
if (IsEqualCLSID(cid, CLSID_CShares))
|
||
|
|
{
|
||
|
|
hr = cfCShares.QueryInterface(iid, ppvObj);
|
||
|
|
}
|
||
|
|
|
||
|
|
InterlockedDecrement((LONG*)&g_ulcInstances);
|
||
|
|
return hr;
|
||
|
|
}
|