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272 lines
6.9 KiB
272 lines
6.9 KiB
//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#include <objbase.h>
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#include <olectl.h>
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#include <initguid.h>
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#include "guids.h"
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#include "basesnap.h"
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#include "Comp.h"
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#include "CompData.h"
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#include "About.h"
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#include "Registry.h"
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#include "Extend.h"
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// our globals
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HINSTANCE g_hinst;
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// list all nodes that are extendable here
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// List the GUID and then the description
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// terminate with a NULL, NULL set.
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NODESTRUCT g_Nodes[] = {
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{ 0xc094012c, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Snap-in Static Node")},
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{ 0x96713509, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
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_T("People-powered Vehicles Scope Item")},
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{ 0x9671350a, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Bicyles Scope Item")},
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{ 0x9671350b, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
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_T("Skate Boards Scope Item")},
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{ 0x9e3ff365, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
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_T("Ice Skates Scope Item")},
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{ 0x9e3ff366, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Bicyle Result Item")},
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{ 0xa6707e01, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Skateboard Result Item")},
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{ 0xa6707e02, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
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_T("IceSkate Result Item")},
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{ 0x8512760b, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Land-based Vehicles Scope Item")},
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{ 0xb17867b9, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Sky-based Vehicles Scope Item")},
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{ 0xb95e11f4, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9},
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_T("Future Vehicles Scope Item")},
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{ 0xb95e11f5, 0x6be7, 0x11d3, {0x91, 0x56, 0x0, 0xc0, 0x4f, 0x65, 0xb3, 0xf9} ,
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_T("Rocket Result Item")},
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{NULL, NULL}
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};
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BOOL WINAPI DllMain(HINSTANCE hinstDLL,
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DWORD fdwReason,
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void* lpvReserved)
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{
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if (fdwReason == DLL_PROCESS_ATTACH) {
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g_hinst = hinstDLL;
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}
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return TRUE;
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}
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvObj)
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{
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if ((rclsid != CLSID_CComponentData) && (rclsid != CLSID_CSnapinAbout))
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return CLASS_E_CLASSNOTAVAILABLE;
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if (!ppvObj)
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return E_FAIL;
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*ppvObj = NULL;
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// We can only hand out IUnknown and IClassFactory pointers. Fail
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// if they ask for anything else.
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if (!IsEqualIID(riid, IID_IUnknown) && !IsEqualIID(riid, IID_IClassFactory))
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return E_NOINTERFACE;
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CClassFactory *pFactory = NULL;
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// make the factory passing in the creation function for the type of object they want
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if (rclsid == CLSID_CComponentData)
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pFactory = new CClassFactory(CClassFactory::COMPONENT);
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else if (rclsid == CLSID_CSnapinAbout)
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pFactory = new CClassFactory(CClassFactory::ABOUT);
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if (NULL == pFactory)
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return E_OUTOFMEMORY;
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HRESULT hr = pFactory->QueryInterface(riid, ppvObj);
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return hr;
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}
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STDAPI DllCanUnloadNow(void)
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{
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if (g_uObjects == 0 && g_uSrvLock == 0)
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return S_OK;
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else
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return S_FALSE;
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}
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CClassFactory::CClassFactory(FACTORY_TYPE factoryType)
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: m_cref(0), m_factoryType(factoryType)
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{
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OBJECT_CREATED
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}
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CClassFactory::~CClassFactory()
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{
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OBJECT_DESTROYED
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}
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STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, LPVOID *ppv)
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{
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if (!ppv)
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return E_FAIL;
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*ppv = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = static_cast<IClassFactory *>(this);
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else
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if (IsEqualIID(riid, IID_IClassFactory))
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*ppv = static_cast<IClassFactory *>(this);
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if (*ppv)
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{
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reinterpret_cast<IUnknown *>(*ppv)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CClassFactory::AddRef()
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{
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return InterlockedIncrement((LONG *)&m_cref);
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}
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STDMETHODIMP_(ULONG) CClassFactory::Release()
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{
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if (InterlockedDecrement((LONG *)&m_cref) == 0)
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{
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delete this;
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return 0;
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}
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return m_cref;
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}
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STDMETHODIMP CClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, LPVOID * ppvObj)
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{
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HRESULT hr;
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void* pObj;
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if (!ppvObj)
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return E_FAIL;
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*ppvObj = NULL;
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// Our object does does not support aggregation, so we need to
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// fail if they ask us to do aggregation.
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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if (COMPONENT == m_factoryType) {
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pObj = new CComponentData();
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} else {
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pObj = new CSnapinAbout();
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}
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if (!pObj)
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return E_OUTOFMEMORY;
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// QueryInterface will do the AddRef() for us, so we do not
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// do it in this function
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hr = ((LPUNKNOWN)pObj)->QueryInterface(riid, ppvObj);
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if (FAILED(hr))
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delete pObj;
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return hr;
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}
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STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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InterlockedIncrement((LONG *)&g_uSrvLock);
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else
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InterlockedDecrement((LONG *)&g_uSrvLock);
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return S_OK;
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}
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//////////////////////////////////////////////////////////
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//
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// Exported functions
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//
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//
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// Server registration
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//
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STDAPI DllRegisterServer()
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{
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HRESULT hr = SELFREG_E_CLASS;
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_TCHAR szName[256];
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_TCHAR szSnapInName[256];
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LoadString(g_hinst, IDS_NAME, szName, sizeof(szName));
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LoadString(g_hinst, IDS_SNAPINNAME, szSnapInName, sizeof(szSnapInName));
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_TCHAR szAboutName[256];
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LoadString(g_hinst, IDS_ABOUTNAME, szAboutName, sizeof(szAboutName));
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// register our CoClasses
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hr = RegisterServer(g_hinst,
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CLSID_CComponentData,
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szName);
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if SUCCEEDED(hr)
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hr = RegisterServer(g_hinst,
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CLSID_CSnapinAbout,
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szAboutName);
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// place the registry information for SnapIns
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if SUCCEEDED(hr)
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hr = RegisterSnapin(CLSID_CComponentData, szSnapInName, CLSID_CSnapinAbout);
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return hr;
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}
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STDAPI DllUnregisterServer()
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{
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if (UnregisterServer(CLSID_CComponentData) == S_OK)
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return UnregisterSnapin(CLSID_CComponentData);
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else
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return E_FAIL;
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}
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