MFC 登錄檔操作
阿新 • • 發佈：2019-01-09
BOOL CWinApp::WriteProfileString(LPCTSTR lpszSection, LPCTSTR lpszEntry,
LPCTSTR lpszValue)
{
ASSERT(lpszSection != NULL);
if (m_pszRegistryKey != NULL)
{
LONG lResult;
if (lpszEntry == NULL) //delete whole section
{
HKEY hAppKey = GetAppRegistryKey();
if (hAppKey == NULL)
return FALSE;
lResult = ::RegDeleteKey(hAppKey, lpszSection);
RegCloseKey(hAppKey);
}
else if (lpszValue == NULL)
{
HKEY hSecKey = GetSectionKey(lpszSection);
if (hSecKey == NULL)
return FALSE;
// necessary to cast away const below
lResult = ::RegDeleteValue(hSecKey, (LPTSTR)lpszEntry);
RegCloseKey(hSecKey);
}
else
{
HKEY hSecKey = GetSectionKey(lpszSection);
if (hSecKey == NULL)
return FALSE;
lResult = RegSetValueEx(hSecKey, lpszEntry, NULL, REG_SZ,
(LPBYTE)lpszValue, (lstrlen(lpszValue)+1)*sizeof(TCHAR));
RegCloseKey(hSecKey);
}
return lResult == ERROR_SUCCESS;
}
else
{
ASSERT(m_pszProfileName != NULL);
ASSERT(lstrlen(m_pszProfileName) < 4095); // can't read in bigger
return ::WritePrivateProfileString(lpszSection, lpszEntry, lpszValue,
m_pszProfileName);
}
}
LPCTSTR lpszValue)
{
ASSERT(lpszSection != NULL);
if (m_pszRegistryKey != NULL)
{
LONG lResult;
if (lpszEntry == NULL) //delete whole section
{
HKEY hAppKey = GetAppRegistryKey();
if (hAppKey == NULL)
return FALSE;
lResult = ::RegDeleteKey(hAppKey, lpszSection);
RegCloseKey(hAppKey);
}
else if (lpszValue == NULL)
{
HKEY hSecKey = GetSectionKey(lpszSection);
if (hSecKey == NULL)
return FALSE;
// necessary to cast away const below
lResult = ::RegDeleteValue(hSecKey, (LPTSTR)lpszEntry);
RegCloseKey(hSecKey);
}
else
{
HKEY hSecKey = GetSectionKey(lpszSection);
if (hSecKey == NULL)
return FALSE;
lResult = RegSetValueEx(hSecKey, lpszEntry, NULL, REG_SZ,
(LPBYTE)lpszValue, (lstrlen(lpszValue)+1)*sizeof(TCHAR));
RegCloseKey(hSecKey);
}
return lResult == ERROR_SUCCESS;
}
else
{
ASSERT(m_pszProfileName != NULL);
ASSERT(lstrlen(m_pszProfileName) < 4095); // can't read in bigger
return ::WritePrivateProfileString(lpszSection, lpszEntry, lpszValue,
m_pszProfileName);
}
}