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481 lines
13 KiB
481 lines
13 KiB
#include "shellprv.h"
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#include "ftascstr.h" //for now, until CoCreateInstance
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#include "ftassoc.h" //for now, until CoCreate IAssocInfo
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#include "ftenum.h"
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#define EHKCR_NONE 0
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#define EHKCR_EXT 1
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#define EHKCR_PROGID 2
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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// CFTEnumAssocInfo
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///////////////////////////////////////////////////////////////////////////////
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// Contructor / Destructor
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CFTEnumAssocInfo::CFTEnumAssocInfo() : _cRef(1)
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{
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//DLLAddRef();
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}
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CFTEnumAssocInfo::~CFTEnumAssocInfo()
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{
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//DLLRelease();
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}
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///////////////////////////////////////////////////////////////////////////////
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// IUnknown methods
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HRESULT CFTEnumAssocInfo::QueryInterface(REFIID riid, void **ppv)
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{
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//nothing for now
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return E_NOTIMPL;
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}
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ULONG CFTEnumAssocInfo::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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ULONG CFTEnumAssocInfo::Release()
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{
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ASSERT( 0 != _cRef );
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ULONG cRef = InterlockedDecrement(&_cRef);
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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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return cRef;
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}
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///////////////////////////////////////////////////////////////////////////////
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// IEnum methods
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HRESULT CFTEnumAssocInfo::Init(ASENUM asenumFlags, LPTSTR pszStr,
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AIINIT aiinitFlags)
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{
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HRESULT hres = E_INVALIDARG;
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if (((ASENUM_PROGID & asenumFlags) && !(ASENUM_EXT & asenumFlags)) ||
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(!(ASENUM_PROGID & asenumFlags) && (ASENUM_EXT & asenumFlags)) ||
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(ASENUM_ACTION & asenumFlags) )
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{
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hres = S_OK;
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_asenumFlags = asenumFlags;
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_aiinitFlags = aiinitFlags;
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if (pszStr)
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StrCpyN(_szInitStr, pszStr, ARRAYSIZE(_szInitStr));
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else
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_szInitStr[0] = 0;
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}
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return hres;
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}
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HRESULT CFTEnumAssocInfo::Next(IAssocInfo** ppAI)
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{
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HRESULT hres = E_FAIL;
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TCHAR szStr[MAX_FTMAX];
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DWORD cchStr = ARRAYSIZE(szStr);
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AIINIT aiinitFlags = 0;
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*szStr = 0;
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switch(_aiinitFlags)
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{
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// We go through the registry
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case AIINIT_NONE:
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{
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switch(_asenumFlags & ASENUM_MAINMASK)
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{
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case ASENUM_EXT:
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hres = _EnumHKCR(_asenumFlags, szStr, &cchStr);
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aiinitFlags = AIINIT_EXT;
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break;
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case ASENUM_PROGID:
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hres = _EnumHKCR(_asenumFlags, szStr, &cchStr);
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aiinitFlags = AIINIT_PROGID;
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break;
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default:
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hres = E_INVALIDARG;
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break;
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}
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break;
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}
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// In theory, we go through the value linked to a progID
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case AIINIT_PROGID:
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{
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switch(_asenumFlags & ASENUM_MAINMASK)
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{
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case ASENUM_EXT:
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hres = _EnumHKCR(_asenumFlags, szStr, &cchStr);
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aiinitFlags = AIINIT_EXT;
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break;
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case ASENUM_ACTION:
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hres = _EnumProgIDActions(szStr, &cchStr);
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break;
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default:
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hres = E_INVALIDARG;
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break;
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}
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break;
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}
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default:
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hres = E_INVALIDARG;
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break;
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}
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if (S_OK==hres)
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{
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if (*szStr)
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{
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*ppAI = new CFTAssocInfo();
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if (*ppAI)
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{
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if (ASENUM_ACTION != (_asenumFlags & ASENUM_MAINMASK))
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hres = (*ppAI)->Init(aiinitFlags, szStr);
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else
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hres = (*ppAI)->InitComplex(AIINIT_PROGID, _szInitStr, AIINIT_ACTION, szStr);
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}
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else
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hres = E_OUTOFMEMORY;
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}
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else
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hres = E_FAIL;
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}
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return hres;
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}
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// This beast goes through the HKCR reg key and check that the
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// key meets the criteria of dwFlags (mostly extension vs progID)
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HRESULT CFTEnumAssocInfo::_EnumHKCR(ASENUM asenumFlags, LPTSTR pszStr,
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DWORD* pcchStr)
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{
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HRESULT hres = E_FAIL;
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BOOL fNext = TRUE;
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while (fNext)
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{
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// This will mean "no more item"
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hres = S_FALSE;
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DWORD cchStr = *pcchStr;
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LONG lRes = RegEnumKeyEx(HKEY_CLASSES_ROOT, _dwIndex, pszStr, &cchStr, NULL, NULL,
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NULL, NULL);
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++_dwIndex;
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if (lRes != ERROR_NO_MORE_ITEMS)
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{
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if (TEXT('*') != *pszStr)
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{
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if (!_EnumKCRStop(asenumFlags, pszStr))
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{
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if (!_EnumKCRSkip(asenumFlags, pszStr))
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{
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hres = S_OK;
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fNext = FALSE;
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}
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}
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else
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{
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hres = S_FALSE;
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fNext = FALSE;
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}
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}
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}
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else
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{
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fNext = FALSE;
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}
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}
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// Did we found the first ext?
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if (!_fFirstExtFound && S_OK==hres && (TEXT('.') == *pszStr))
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{
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// Yes
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_fFirstExtFound = TRUE;
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}
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return hres;
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}
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HRESULT CFTEnumAssocInfo::_EnumProgIDActions(LPTSTR pszStr, DWORD* pcchStr)
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{
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// 5 for "shell"
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TCHAR szSubKey[MAX_PROGID + 5 + 1];
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HRESULT hres = S_OK;
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HKEY hKey = NULL;
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StrCpyN(szSubKey, _szInitStr, MAX_PROGID);
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StrCatBuff(szSubKey, TEXT("\\shell"), ARRAYSIZE(szSubKey));
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, szSubKey, 0, KEY_READ, &hKey))
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{
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LONG lRes = RegEnumKeyEx(hKey, _dwIndex, pszStr, pcchStr, NULL,
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NULL, NULL, NULL);
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if (ERROR_SUCCESS !=lRes)
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{
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if (ERROR_NO_MORE_ITEMS == lRes)
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hres = S_FALSE;
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else
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hres = E_FAIL;
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}
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++_dwIndex;
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RegCloseKey(hKey);
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}
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return hres;
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}
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///////////////////////////////////////////////////////////////////////////////
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// Helpers
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BOOL CFTEnumAssocInfo::_EnumKCRSkip(DWORD asenumFlags, LPTSTR pszExt)
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{
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BOOL fRet = FALSE;
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if (AIINIT_NONE == _aiinitFlags)
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{
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CFTAssocStore* pAssocStore = NULL;
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// Do we want the Exts?
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if (!(ASENUM_EXT & asenumFlags))
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{
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// No
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// Is the first char a '.'?
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if (TEXT('.') == *pszExt)
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{
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// Yes, skip this one
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fRet = TRUE;
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}
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}
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else
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{
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// Yes
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// Is the first char a '.'?
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if (TEXT('.') != *pszExt)
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{
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// No, skip it
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fRet = TRUE;
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}
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}
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// we want to skip all the ext having explorer.exe as the executable for
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// their default verb.
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if ((ASENUM_NOEXPLORERSHELLACTION & asenumFlags) && !fRet)
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{
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IQueryAssociations* pQA = NULL;
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ASSERT(ASENUM_EXT & asenumFlags);
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HRESULT hres = AssocCreate(CLSID_QueryAssociations, IID_PPV_ARG(IQueryAssociations, &pQA));
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if (SUCCEEDED(hres))
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{
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WCHAR szwExt[MAX_EXT];
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SHTCharToUnicode(pszExt, szwExt, ARRAYSIZE(szwExt));
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hres = pQA->Init(0, szwExt, NULL, NULL);
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if (SUCCEEDED(hres))
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{
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WCHAR szwExec[MAX_APPFRIENDLYNAME];
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DWORD cchExec = ARRAYSIZE(szwExec);
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hres = pQA->GetString(ASSOCF_VERIFY,
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ASSOCSTR_EXECUTABLE, NULL, szwExec, &cchExec);
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// "canonicalization", but the side effects arent a big deal.
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if (!StrCmpIW(PathFindFileNameW(szwExec), L"explorer.exe"))
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{
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fRet = TRUE;
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}
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}
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pQA->Release();
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}
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}
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if ((ASENUM_NOEXCLUDED & asenumFlags) && !fRet)
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{
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IAssocInfo* pAI = NULL;
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HRESULT hres = E_FAIL;
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if (!pAssocStore)
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pAssocStore = new CFTAssocStore();
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ASSERT(ASENUM_EXT & asenumFlags);
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if (pAssocStore)
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hres = pAssocStore->GetAssocInfo(pszExt, AIINIT_EXT, &pAI);
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if (SUCCEEDED(hres))
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{
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hres = pAI->GetBOOL(AIBOOL_EXCLUDE, &fRet);
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pAI->Release();
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}
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}
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if ((ASENUM_NOEXE & asenumFlags) && !fRet)
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{
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ASSERT(ASENUM_EXT & asenumFlags);
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fRet = PathIsExe(pszExt);
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}
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if ((ASENUM_ASSOC_YES & asenumFlags) &&
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(ASENUM_ASSOC_ALL != (ASENUM_ASSOC_ALL & asenumFlags)) && !fRet)
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{
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IAssocInfo* pAI = NULL;
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HRESULT hres = E_FAIL;
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if (!pAssocStore)
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pAssocStore = new CFTAssocStore();
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ASSERT(ASENUM_EXT & asenumFlags);
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if (pAssocStore)
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hres = pAssocStore->GetAssocInfo(pszExt, AIINIT_EXT, &pAI);
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if (SUCCEEDED(hres))
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{
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BOOL fExtAssociated = FALSE;
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hres = pAI->GetBOOL(AIBOOL_EXTASSOCIATED, &fExtAssociated);
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fRet = (fExtAssociated ? FALSE : TRUE);
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pAI->Release();
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}
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}
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if ((ASENUM_ASSOC_NO & asenumFlags) &&
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(ASENUM_ASSOC_ALL != (ASENUM_ASSOC_ALL & asenumFlags)) && !fRet)
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{
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IAssocInfo* pAI = NULL;
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HRESULT hres = E_FAIL;
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if (!pAssocStore)
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pAssocStore = new CFTAssocStore();
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ASSERT(ASENUM_EXT & asenumFlags);
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if (pAssocStore)
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hres = pAssocStore->GetAssocInfo(pszExt, AIINIT_EXT, &pAI);
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if (SUCCEEDED(hres))
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{
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hres = pAI->GetBOOL(AIBOOL_EXTASSOCIATED, &fRet);
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pAI->Release();
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}
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}
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if ((ASENUM_SHOWONLY & asenumFlags) && !fRet)
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{
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IAssocInfo* pAI = NULL;
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HRESULT hres = E_FAIL;
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if (!pAssocStore)
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pAssocStore = new CFTAssocStore();
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ASSERT(ASENUM_PROGID & asenumFlags);
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// I know pszExt is not an Extension but a progID...
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if (pAssocStore)
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hres = pAssocStore->GetAssocInfo(pszExt, AIINIT_PROGID, &pAI);
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if (SUCCEEDED(hres))
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{
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BOOL fTmpRet = FALSE;
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hres = pAI->GetBOOL(AIBOOL_SHOW, &fTmpRet);
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// If it has the show flag (FTA_Show), we don't skip it, so
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// invert the fTmpRet
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fRet = fTmpRet ? FALSE : TRUE;
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pAI->Release();
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}
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}
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if (pAssocStore)
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delete pAssocStore;
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}
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else
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{
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if (AIINIT_PROGID == _aiinitFlags)
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{
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fRet = TRUE;
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// Do we want the Exts?
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if (ASENUM_EXT & asenumFlags)
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{
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DWORD dwType = 0;
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TCHAR szProgID[MAX_PROGID];
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DWORD cbProgID = ARRAYSIZE(szProgID) * sizeof(TCHAR);
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LONG lRes = SHGetValue(HKEY_CLASSES_ROOT, pszExt, NULL,
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&dwType, szProgID, &cbProgID);
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if (ERROR_SUCCESS == lRes)
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{
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// Does it have the same progID?
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if (!lstrcmpi(szProgID, _szInitStr))
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{
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// Yes, don't skip
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fRet = FALSE;
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}
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}
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}
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}
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}
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return fRet;
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}
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BOOL CFTEnumAssocInfo::_EnumKCRStop(DWORD asenumFlags, LPTSTR pszExt)
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{
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BOOL fRet = FALSE;
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// NT returns the extension in alphabetical order, not Win9X
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// If we want only the extensions, and the first char is not a '.', then stop
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if (ASENUM_EXT & asenumFlags)
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{
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// Don't go out if we haven't found the first extension
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if ((TEXT('.') != *pszExt) && _fFirstExtFound)
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fRet = TRUE;
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}
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return fRet;
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}
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///////////////////////////////////////////////////////////////////////////////
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// Non-implemented IEnum methods
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HRESULT CFTEnumAssocInfo::Clone(IEnumAssocInfo* pEnum)
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{
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// Will never be implemented
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return E_FAIL;
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}
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HRESULT CFTEnumAssocInfo::Skip(DWORD dwSkip)
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{
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return E_NOTIMPL;
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}
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HRESULT CFTEnumAssocInfo::Reset()
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{
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return E_NOTIMPL;
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}
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