344 lines
8.7 KiB
C++
344 lines
8.7 KiB
C++
/*
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* intshcut.cpp - IUnknown implementation for InternetShortcut class.
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*/
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/* Headers
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**********/
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#include "project.hpp"
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#pragma hdrstop
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#include "assoc.h"
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#include "clsfact.h"
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/* Global Constants
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*******************/
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#pragma data_seg(DATA_SEG_READ_ONLY)
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PUBLIC_DATA const int g_nDefaultShowCmd = SW_NORMAL;
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#pragma data_seg()
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/****************************** Public Functions *****************************/
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PUBLIC_CODE HRESULT IsProtocolRegistered(PCSTR pcszProtocol)
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{
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HRESULT hr;
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PSTR pszKey;
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ASSERT(IS_VALID_STRING_PTR(pcszProtocol, CSTR));
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hr = GetProtocolKey(pcszProtocol, EMPTY_STRING, &pszKey);
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if (hr == S_OK)
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{
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hr = (GetRegKeyValue(g_hkeyURLProtocols, pszKey, g_cszURLProtocol, NULL,
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NULL, NULL) == ERROR_SUCCESS)
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? S_OK
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: URL_E_UNREGISTERED_PROTOCOL;
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delete pszKey;
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pszKey = NULL;
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}
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if (hr != S_OK) {
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TRACE_OUT(("IsProtocolRegistered(): Protocol \"%s\" is not registered.",
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pcszProtocol));
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}
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return(hr);
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}
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PUBLIC_CODE HRESULT ValidateURL(PCSTR pcszURL)
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{
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HRESULT hr;
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PSTR pszProtocol;
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ASSERT(IS_VALID_STRING_PTR(pcszURL, CSTR));
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hr = CopyURLProtocol(pcszURL, &pszProtocol);
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if (hr == S_OK)
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{
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hr = IsProtocolRegistered(pszProtocol);
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delete pszProtocol;
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pszProtocol = NULL;
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}
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return(hr);
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}
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PUBLIC_CODE HRESULT ValidateWorkingDirectory(PCSTR pcszWorkingDirectory)
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{
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ASSERT(IS_VALID_STRING_PTR(pcszWorkingDirectory, CSTR));
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return(IsPathDirectory(pcszWorkingDirectory) ? S_OK : E_PATH_NOT_FOUND);
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}
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#ifdef DEBUG
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PUBLIC_CODE BOOL IsValidPCInternetShortcut(PCInternetShortcut pcintshcut)
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{
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return(IS_VALID_READ_PTR(pcintshcut, CInternetShortcut) &&
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FLAGS_ARE_VALID(pcintshcut->m_dwFlags, ALL_INTSHCUT_FLAGS) &&
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(! pcintshcut->m_pszFile ||
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IS_VALID_STRING_PTR(pcintshcut->m_pszFile, STR)) &&
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(! pcintshcut->m_pszURL ||
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IS_VALID_STRING_PTR(pcintshcut->m_pszURL, STR)) &&
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((! pcintshcut->m_pszIconFile &&
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! pcintshcut->m_niIcon) ||
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EVAL(IsValidIconIndex(S_OK, pcintshcut->m_pszIconFile, MAX_PATH_LEN, pcintshcut->m_niIcon))) &&
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(! pcintshcut->m_pszWorkingDirectory ||
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EVAL(IsFullPath(pcintshcut->m_pszWorkingDirectory))) &&
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EVAL(IsValidShowCmd(pcintshcut->m_nShowCmd)) &&
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EVAL(! pcintshcut->m_pszFolder ||
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IsValidPath(pcintshcut->m_pszFolder)) &&
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EVAL(! pcintshcut->m_wHotkey ||
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IsValidHotkey(pcintshcut->m_wHotkey)) &&
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IS_VALID_STRUCT_PTR((PCRefCount)pcintshcut, CRefCount) &&
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IS_VALID_INTERFACE_PTR((PCIDataObject)pcintshcut, IDataObject) &&
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IS_VALID_INTERFACE_PTR((PCIExtractIcon)pcintshcut, IExtractIcon) &&
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IS_VALID_INTERFACE_PTR((PCINewShortcutHook)pcintshcut, INewShortcutHook) &&
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IS_VALID_INTERFACE_PTR((PCIPersistFile)pcintshcut, IPersistFile) &&
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IS_VALID_INTERFACE_PTR((PCIPersistStream)pcintshcut, IPersistStream) &&
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IS_VALID_INTERFACE_PTR((PCIShellExecuteHook)pcintshcut, IShellExecuteHook) &&
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IS_VALID_INTERFACE_PTR((PCIShellExtInit)pcintshcut, IShellExtInit) &&
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IS_VALID_INTERFACE_PTR((PCIShellLink)pcintshcut, IShellLink) &&
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IS_VALID_INTERFACE_PTR((PCIShellPropSheetExt)pcintshcut, IShellPropSheetExt) &&
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IS_VALID_INTERFACE_PTR((PCIUniformResourceLocator)pcintshcut, IUniformResourceLocator));
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}
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#endif
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/********************************** Methods **********************************/
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#pragma warning(disable:4705) /* "statement has no effect" warning - cl bug, see KB Q98989 */
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InternetShortcut::InternetShortcut()
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{
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DebugEntry(InternetShortcut::InternetShortcut);
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// Don't validate this until after construction.
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m_dwFlags = 0;
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m_pszFile = NULL;
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m_pszURL = NULL;
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m_pszIconFile = NULL;
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m_niIcon = 0;
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m_pszWorkingDirectory = NULL;
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m_nShowCmd = g_nDefaultShowCmd;
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m_pszFolder = NULL;
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m_wHotkey = 0;
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitVOID(InternetShortcut::InternetShortcut);
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return;
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}
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#pragma warning(default:4705) /* "statement has no effect" warning - cl bug, see KB Q98989 */
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InternetShortcut::~InternetShortcut(void)
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{
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DebugEntry(InternetShortcut::~InternetShortcut);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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if (m_pszFile)
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{
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delete m_pszFile;
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m_pszFile = NULL;
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}
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if (m_pszURL)
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{
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delete m_pszURL;
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m_pszURL = NULL;
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}
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if (m_pszIconFile)
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{
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delete m_pszIconFile;
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m_pszIconFile = NULL;
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m_niIcon = 0;
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}
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if (m_pszWorkingDirectory)
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{
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delete m_pszWorkingDirectory;
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m_pszWorkingDirectory = NULL;
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}
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if (m_pszFolder)
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{
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delete m_pszFolder;
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m_pszFolder = NULL;
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}
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitVOID(InternetShortcut::~InternetShortcut);
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return;
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}
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ULONG STDMETHODCALLTYPE InternetShortcut::AddRef(void)
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{
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ULONG ulcRef;
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DebugEntry(InternetShortcut::AddRef);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ulcRef = RefCount::AddRef();
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitULONG(InternetShortcut::AddRef, ulcRef);
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return(ulcRef);
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}
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ULONG STDMETHODCALLTYPE InternetShortcut::Release(void)
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{
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ULONG ulcRef;
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DebugEntry(InternetShortcut::Release);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ulcRef = RefCount::Release();
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DebugExitULONG(InternetShortcut::Release, ulcRef);
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return(ulcRef);
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}
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HRESULT STDMETHODCALLTYPE InternetShortcut::QueryInterface(REFIID riid,
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PVOID *ppvObject)
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{
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HRESULT hr = S_OK;
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DebugEntry(InternetShortcut::QueryInterface);
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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ASSERT(IsValidREFIID(riid));
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ASSERT(IS_VALID_WRITE_PTR(ppvObject, PVOID));
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if (riid == IID_IDataObject)
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{
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*ppvObject = (PIDataObject)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IDataObject."));
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}
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else if (riid == IID_IExtractIcon)
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{
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*ppvObject = (PIExtractIcon)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IExtractIcon."));
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}
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else if (riid == IID_INewShortcutHook)
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{
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*ppvObject = (PINewShortcutHook)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning INewShortcutHook."));
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}
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else if (riid == IID_IPersist)
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{
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*ppvObject = (PIPersist)(PIPersistStream)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IPersist."));
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}
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else if (riid == IID_IPersistFile)
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{
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*ppvObject = (PIPersistFile)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IPersistFile."));
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}
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else if (riid == IID_IPersistStream)
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{
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*ppvObject = (PIPersistStream)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IPersistStream."));
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}
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else if (riid == IID_IShellExecuteHook)
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{
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*ppvObject = (PIShellExecuteHook)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IShellExecuteHook."));
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}
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else if (riid == IID_IShellExtInit)
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{
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*ppvObject = (PIShellExtInit)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IShellExtInit."));
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}
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else if (riid == IID_IShellLink)
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{
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*ppvObject = (PIShellLink)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IShellLink."));
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}
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else if (riid == IID_IShellPropSheetExt)
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{
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*ppvObject = (PIShellPropSheetExt)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IShellPropSheetExt."));
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}
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else if (riid == IID_IUniformResourceLocator)
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{
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*ppvObject = (PIUniformResourceLocator)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IUniformResourceLocator."));
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}
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else if (riid == IID_IUnknown)
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{
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*ppvObject = (PIUnknown)(PIUniformResourceLocator)this;
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TRACE_OUT(("InternetShortcut::QueryInterface(): Returning IUnknown."));
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}
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else
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{
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TRACE_OUT(("InternetShortcut::QueryInterface(): Called on unknown interface."));
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*ppvObject = NULL;
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hr = E_NOINTERFACE;
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}
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if (hr == S_OK)
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AddRef();
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ASSERT(IS_VALID_STRUCT_PTR(this, CInternetShortcut));
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DebugExitHRESULT(InternetShortcut::QueryInterface, hr);
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return(hr);
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}
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extern "C"
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STDAPI CreateInstance_Intshcut(IUnknown *punkOuter, REFIID riid, void **ppvOut)
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{
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HRESULT hres;
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*ppvOut = NULL;
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if (punkOuter)
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return CLASS_E_NOAGGREGATION;
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InternetShortcut *pintshcut = new(InternetShortcut);
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if (pintshcut)
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{
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hres = pintshcut->QueryInterface(riid, ppvOut);
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pintshcut->Release();
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}
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else
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hres = E_OUTOFMEMORY;
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return hres;
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}
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