433 lines
11 KiB
C++
433 lines
11 KiB
C++
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#include "enum.h"
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BOOL GetVersion(LPCONTROLPIDL pcpidl, LPTSTR lpszBuf);
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BOOL GetTimeInfo(
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BOOL bCreation, LPCONTROLPIDL pcpidl,
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FILETIME* lpTime, LPTSTR lpszBuf, BOOL bShowTime);
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// Also defined in nt\private\inet\urlmon\isctrl.cxx
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const TCHAR *g_pszLastCheckDateKey = "LastCheckDate";
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const TCHAR *g_pszUpdateInfo = "UpdateInfo";
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#if defined(ALIGNMENT_MACHINE)
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BOOL
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__inline
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static
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uaGetControlInfo(
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IN HANDLE hControlHandle,
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IN UINT nFlag,
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IN OUT DWORD UNALIGNED *lpdwuData,
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IN OUT LPTSTR lpszBuf,
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IN int nBufLen
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)
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{
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DWORD dwData;
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LPDWORD lpdwData;
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BOOL result;
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if (lpdwuData != NULL) {
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dwData = *lpdwuData;
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lpdwData = &dwData;
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} else {
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lpdwData = NULL;
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}
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result = GetControlInfo( hControlHandle,
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nFlag,
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lpdwData,
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lpszBuf,
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nBufLen );
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if (lpdwuData != NULL) {
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*lpdwuData = dwData;
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}
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return result;
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}
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BOOL
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__inline
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static
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uaGetTimeInfo(
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IN BOOL bCreation,
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IN OUT LPCONTROLPIDL pcpidl,
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IN OUT FILETIME UNALIGNED *lpuTime,
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IN OUT LPTSTR lpszBuf,
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IN BOOL bShowTime
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)
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{
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FILETIME time;
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LPFILETIME lpTime;
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BOOL result;
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if (lpuTime != NULL) {
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time = *lpuTime;
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lpTime = &time;
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} else {
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lpTime = NULL;
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}
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result = GetTimeInfo( bCreation,
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pcpidl,
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lpTime,
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lpszBuf,
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bShowTime );
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if (lpuTime != NULL) {
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*lpuTime = time;
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}
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return result;
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}
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#else
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#define uaGetControlInfo GetControlInfo
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#define uaGetTimeInfo GetTimeInfo
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// IEnumIDList methods
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CControlFolderEnum::CControlFolderEnum(STRRET &str, LPCITEMIDLIST pidl, UINT shcontf) :
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m_shcontf(shcontf)
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{
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DebugMsg(DM_TRACE, TEXT("cfe - CControlFolderEnum() called"));
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m_cRef = 1;
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DllAddRef();
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m_bEnumStarted = FALSE;
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m_hEnumControl = NULL;
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StrRetToBuf(&str, pidl, m_szCachePath, MAX_PATH);
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SHGetMalloc(&m_pMalloc); // won't fail
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}
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CControlFolderEnum::~CControlFolderEnum()
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{
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Assert(m_cRef == 0); // we should always have a zero ref count here
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DebugMsg(DM_TRACE, TEXT("cfe - ~CControlFolderEnum() called."));
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DllRelease();
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}
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HRESULT CControlFolderEnum_CreateInstance(
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LPITEMIDLIST pidl,
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UINT shcontf,
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LPENUMIDLIST *ppeidl)
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{
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DebugMsg(DM_TRACE,("cfe - CreateInstance() called."));
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if (pidl == NULL)
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return HRESULT_FROM_WIN32(ERROR_BAD_ARGUMENTS);
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HRESULT hr;
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LPSHELLFOLDER pshf = NULL;
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if (FAILED(hr = SHGetDesktopFolder(&pshf)))
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return hr;
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STRRET name;
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hr = pshf->GetDisplayNameOf(pidl, SHGDN_FORPARSING, &name);
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if (FAILED(hr))
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return hr;
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*ppeidl = NULL; // null the out param
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CControlFolderEnum *pCFE = new CControlFolderEnum(name, pidl, shcontf);
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if (!pCFE)
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return E_OUTOFMEMORY;
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*ppeidl = pCFE;
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return S_OK;
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}
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BOOL GetVersion(LPCONTROLPIDL pcpidl, LPTSTR lpszBuf)
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{
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Assert(pcpidl != NULL);
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LPCTSTR pszLocation = GetStringInfo(pcpidl, SI_LOCATION);
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DWORD dwBufLen;
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DWORD dwHandle;
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BOOL fResult = FALSE;
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UINT uLen;
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VS_FIXEDFILEINFO *pVersionInfo = NULL;
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// Quick copy to handle failure cases
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lstrcpy(lpszBuf, g_szUnknownData);
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if ((dwBufLen = ::GetFileVersionInfoSize(
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(LPTSTR)pszLocation,
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&dwHandle)) == 0)
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return FALSE;
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BYTE *pbData = new BYTE[dwBufLen];
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if (pbData == NULL)
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return FALSE;
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if (GetFileVersionInfo((LPTSTR)pszLocation, dwHandle, dwBufLen, pbData))
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{
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fResult = VerQueryValue(pbData, "\\", (LPVOID*)&pVersionInfo, &uLen);
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if (fResult)
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{
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wsprintf(lpszBuf, "%d,%d,%d,%d",
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(pVersionInfo->dwFileVersionMS & 0xffff0000)>>16,
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(pVersionInfo->dwFileVersionMS & 0xffff),
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(pVersionInfo->dwFileVersionLS & 0xffff0000)>>16,
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(pVersionInfo->dwFileVersionLS & 0xffff));
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}
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}
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delete [] pbData;
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return fResult;
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}
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BOOL GetTimeInfo(
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BOOL bCreation,
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LPCONTROLPIDL pcpidl,
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FILETIME* lpTime,
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LPTSTR lpszBuf,
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BOOL bShowTime)
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{
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Assert(pcpidl != NULL);
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Assert (lpszBuf != NULL);
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if (pcpidl == NULL || lpszBuf == NULL)
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return FALSE;
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LPCTSTR pszLocation = GetStringInfo(pcpidl, SI_LOCATION);
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BOOL fResult = TRUE;
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HANDLE hFile = NULL;
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WIN32_FIND_DATA findFileData;
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TCHAR szTime[TIMESTAMP_MAXSIZE];
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TCHAR szDate[TIMESTAMP_MAXSIZE];
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SYSTEMTIME sysTime;
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FILETIME localTime;
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hFile = FindFirstFile(pszLocation, &findFileData);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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// Get the creation time and date information.
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if (bCreation)
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{
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*lpTime = findFileData.ftCreationTime;
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FileTimeToLocalFileTime(&findFileData.ftCreationTime, &localTime);
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}
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else
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{
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*lpTime = findFileData.ftLastAccessTime;
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FileTimeToLocalFileTime(&findFileData.ftLastAccessTime, &localTime);
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}
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FileTimeToSystemTime(&localTime, &sysTime);
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GetDateFormat(
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LOCALE_SYSTEM_DEFAULT,
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DATE_SHORTDATE,
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&sysTime,
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NULL,
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szDate,
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TIMESTAMP_MAXSIZE);
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lstrcpy(lpszBuf, szDate);
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if (bShowTime)
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{
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GetTimeFormat(
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LOCALE_SYSTEM_DEFAULT,
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TIME_NOSECONDS,
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&sysTime,
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NULL,
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szTime,
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TIMESTAMP_MAXSIZE
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);
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lstrcat(lpszBuf, TEXT(" "));
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lstrcat(lpszBuf, szTime);
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}
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FindClose(hFile);
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}
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else
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{
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fResult = FALSE;
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lstrcpy(lpszBuf, g_szUnknownData);
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lpTime->dwLowDateTime = lpTime->dwHighDateTime = 0;
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}
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return fResult;
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}
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LPCONTROLPIDL CreateControlPidl(IMalloc *pmalloc, HANDLE hControl)
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{
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Assert(pmalloc != NULL);
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DWORD dw;
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GetControlInfo(hControl, GCI_TOTALFILES, &dw, NULL, 0);
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ULONG ulSize = sizeof(CONTROLPIDL) + sizeof(USHORT);
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ulSize += (dw - 1) * sizeof(DEPENDENTFILEINFO);
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LPCONTROLPIDL pcpidl = (LPCONTROLPIDL)pmalloc->Alloc(ulSize);
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if (pcpidl)
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{
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memset(pcpidl, 0, ulSize);
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pcpidl->cb = (USHORT)(ulSize - sizeof(USHORT));
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pcpidl->ci.cTotalFiles = (UINT)dw;
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uaGetControlInfo(hControl, GCI_TOTALSIZE, &(pcpidl->ci.dwTotalFileSize), NULL, 0);
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uaGetControlInfo(hControl, GCI_SIZESAVED, &(pcpidl->ci.dwTotalSizeSaved), NULL, 0);
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GetControlInfo(hControl, GCI_NAME, NULL, pcpidl->ci.szName, CONTROLNAME_MAXSIZE);
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GetControlInfo(hControl, GCI_FILE, NULL, pcpidl->ci.szFile, MAX_PATH);
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GetControlInfo(hControl, GCI_CLSID, NULL, pcpidl->ci.szCLSID, MAX_CLSID_LEN);
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GetControlInfo(hControl, GCI_TYPELIBID, NULL, pcpidl->ci.szTypeLibID, MAX_CLSID_LEN);
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uaGetTimeInfo(TRUE, pcpidl, &(pcpidl->ci.timeCreation), pcpidl->ci.szCreation, TRUE);
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uaGetTimeInfo(FALSE, pcpidl, &(pcpidl->ci.timeLastAccessed), pcpidl->ci.szLastAccess, FALSE);
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GetControlInfo(hControl, GCI_CODEBASE, NULL, pcpidl->ci.szCodeBase, INTERNET_MAX_URL_LENGTH);
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uaGetControlInfo(hControl, GCI_ISDISTUNIT, &(pcpidl->ci.dwIsDistUnit), NULL, 0);
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uaGetControlInfo(hControl, GCI_STATUS, &(pcpidl->ci.dwStatus), NULL, 0);
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uaGetControlInfo(hControl, GCI_HAS_ACTIVEX, &(pcpidl->ci.dwHasActiveX), NULL, 0);
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uaGetControlInfo(hControl, GCI_HAS_JAVA, &(pcpidl->ci.dwHasJava), NULL, 0);
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if (pcpidl->ci.dwIsDistUnit)
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{
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GetControlInfo(hControl, GCI_DIST_UNIT_VERSION, NULL, pcpidl->ci.szVersion, VERSION_MAXSIZE);
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}
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else
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{
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GetVersion(pcpidl, pcpidl->ci.szVersion);
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}
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LONG lResult = ERROR_SUCCESS;
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DEPENDENTFILEINFO UNALIGNED *pInfo = &(pcpidl->ci.dependentFile);
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dw = GetTotalNumOfFiles(pcpidl);
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for (UINT iFile = 0; iFile < (UINT)dw; iFile++)
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{
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DWORD alignedSize = pInfo->dwSize;
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lResult = GetControlDependentFile(
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iFile,
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hControl,
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pInfo->szFile,
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&alignedSize,
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TRUE);
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pInfo->dwSize = alignedSize;
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if (lResult != ERROR_SUCCESS)
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break;
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pInfo = (LPDEPENDENTFILEINFO)(pInfo + 1);
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}
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}
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return pcpidl;
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}
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//////////////////////////////////
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//
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// IUnknown Methods...
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//
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HRESULT CControlFolderEnum::QueryInterface(REFIID iid,void **ppv)
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{
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DebugMsg(DM_TRACE, TEXT("cfe - QueryInterface called."));
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if ((iid == IID_IEnumIDList) || (iid == IID_IUnknown))
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{
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*ppv = (void *)this;
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AddRef();
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return S_OK;
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}
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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ULONG CControlFolderEnum::AddRef(void)
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{
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return ++m_cRef;
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}
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ULONG CControlFolderEnum::Release(void)
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{
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if (--m_cRef)
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return m_cRef;
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delete this;
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return 0;
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}
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HRESULT CControlFolderEnum::Next(
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ULONG celt,
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LPITEMIDLIST *rgelt,
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ULONG *pceltFetched)
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{
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DebugMsg(DM_TRACE, TEXT("cfe - Next() called."));
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// If asking for stuff we don't have, say we don't have any
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if (!(m_shcontf & SHCONTF_NONFOLDERS))
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return S_FALSE;
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LONG lres = ERROR_SUCCESS;
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HANDLE hControl = NULL;
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LPCONTROLPIDL pcpidl = NULL;
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lres = (!m_bEnumStarted ?
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FindFirstControl(m_hEnumControl, hControl, m_szCachePath) :
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FindNextControl(m_hEnumControl, hControl));
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if (pceltFetched)
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*pceltFetched = (lres == ERROR_SUCCESS ? 1 : 0);
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if (lres != ERROR_SUCCESS)
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goto EXIT_NEXT;
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pcpidl = CreateControlPidl(m_pMalloc, hControl);
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if (pcpidl == NULL)
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{
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lres = ERROR_NOT_ENOUGH_MEMORY;
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goto EXIT_NEXT;
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}
|
||
|
|
|
||
|
|
m_bEnumStarted = TRUE;
|
||
|
|
rgelt[0] = (LPITEMIDLIST)pcpidl;
|
||
|
|
|
||
|
|
EXIT_NEXT:
|
||
|
|
|
||
|
|
ReleaseControlHandle(hControl);
|
||
|
|
|
||
|
|
if (lres != ERROR_SUCCESS)
|
||
|
|
{
|
||
|
|
if (pcpidl != NULL)
|
||
|
|
{
|
||
|
|
m_pMalloc->Free(pcpidl);
|
||
|
|
pcpidl = NULL;
|
||
|
|
}
|
||
|
|
FindControlClose(m_hEnumControl);
|
||
|
|
m_bEnumStarted = FALSE;
|
||
|
|
rgelt[0] = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return HRESULT_FROM_WIN32(lres);
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CControlFolderEnum::Skip(ULONG celt)
|
||
|
|
{
|
||
|
|
DebugMsg(DM_TRACE, TEXT("cfe - Skip() called."));
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CControlFolderEnum::Reset()
|
||
|
|
{
|
||
|
|
DebugMsg(DM_TRACE, TEXT("cfe - Reset() called."));
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CControlFolderEnum::Clone(IEnumIDList **ppenum)
|
||
|
|
{
|
||
|
|
DebugMsg(DM_TRACE, TEXT("cfe - Clone() called."));
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|