//获取szSubKey键下的DisplayName,并将值存储到lpSI中
BOOL GetSoftDisplayName(HKEY hkey , LPCTSTR szSubKey , LPSOFTWARE_INFO lpSI )
{
TCHAR szDisplayName[MAX_PATH] = {0}; //存储子项中DisplayName的键值
DWORD dwSystemComponent = -1; //存储子项中SystemComponent的键值
DWORD dwWindowsInstaller = -1; //存储子项中WindowsInstaller的键值
TCHAR szUninstallString[MAX_PATH] = {0}; //存储子项中UninstallString的键值
TCHAR szParentKeyName[MAX_PATH] = {0}; //存储子项中ParentKeyName的键值
//获取szSubKey子项中SystemComponent的键值，为1返回FALSE
if(GetRegDWORD(hkey, szSubKey, _T("SystemComponent"), dwSystemComponent) && 1 == dwSystemComponent)
return FALSE;
//获取szSubKey子项中WindowsInstaller的键值，为1可以通过MSI SDK来获取MSI安装信息
if(GetRegDWORD(hkey, szSubKey, _T("WindowsInstaller"), dwWindowsInstaller) && 1 == dwWindowsInstaller)
{
if( !GetSoftwareFromMSI(szSubKey, szDisplayName) )
return FALSE;
}
//获取DisplayName键值，成功的话值存到szDisplayName数组中
else if(GetRegString(hkey, szSubKey, _T("DisplayName"), szDisplayName)
&& lstrlen(szDisplayName) > 0
&& GetRegString(hkey, szSubKey, _T("UninstallString"), szUninstallString)
&& !GetRegString(hkey, szSubKey, _T("ParentKeyName"), szParentKeyName)
)
{
;
}
else
return FALSE;
//复制szDisplayName数组中的值到lpSI->szDisplayName中
lstrcpy(lpSI->szDisplayName, szDisplayName);
return TRUE;
}
BOOL CXTPCalendarTimeZones::InitFromRegistry()
{
m_arTZInfo.RemoveAll();
CString strTZIRootKey = XTP_CALENDAR_TIMEZONESKEY_NT;
HKEY hkTZIRoot = NULL;
BOOL bUseIndex = !XTPSystemVersion()->IsWinXPOrGreater();
// Try NT information first
LONG lRes = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, strTZIRootKey, 0, KEY_READ, &hkTZIRoot);
if (lRes != ERROR_SUCCESS)
{
// try Win9x information
strTZIRootKey = XTP_CALENDAR_TIMEZONESKEY_9X;
bUseIndex = FALSE;
lRes = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, strTZIRootKey, 0, KEY_READ, &hkTZIRoot);
if (lRes != ERROR_SUCCESS)
{
TRACE(_T("Cannot open Time Zones information registry key. err = %d \n"), lRes);
return FALSE;
}
}
const DWORD cdwKeyBufSize = 1024;
TCHAR szTZIKey[cdwKeyBufSize + 1];
BSTR bstrStandardName = NULL;
BSTR bstrDaylightName = NULL;
lRes = ERROR_SUCCESS;
for (DWORD dwEnumKey = 0; lRes == ERROR_SUCCESS; dwEnumKey++)
{
::ZeroMemory(szTZIKey, sizeof(szTZIKey));
lRes = ::RegEnumKey (hkTZIRoot, dwEnumKey, szTZIKey, cdwKeyBufSize);
if (lRes != ERROR_SUCCESS)
{
ASSERT(lRes == ERROR_NO_MORE_ITEMS);
break;
}
//===================================================================
CString strTZIKey = strTZIRootKey + _T("\\") + szTZIKey;
HKEY hkTZIdata = NULL;
LONG lRes2 = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, strTZIKey, 0, KEY_READ, &hkTZIdata);
if (lRes2 != ERROR_SUCCESS)
{
TRACE(_T("Cannot open registry key 'HKEY_LOCAL_MACHINE\\%s'. err = %d \n"), (LPCTSTR)strTZIKey, lRes2);
continue;
}
CString strDisplayStr, strStandardName, strDaylightName;
DWORD dwIndex;
REGISTRY_TIMEZONE_INFORMATION regTZI;
if (!GetRegStr(hkTZIdata, XTP_CALENDAR_TZIRegValName_DisplayStr, strDisplayStr))
{
TRACE(_T("Cannot get value from registry: 'HKEY_LOCAL_MACHINE\\%s\\%s'\n"), (LPCTSTR)strTZIKey, XTP_CALENDAR_TZIRegValName_DisplayStr);
continue;
}
if (!GetRegBSTR(hkTZIdata, XTP_CALENDAR_TZIRegValName_StandardNameW, bstrStandardName))
{
TRACE(_T("Cannot get value from registry: 'HKEY_LOCAL_MACHINE\\%s\\%s'\n"), (LPCTSTR)strTZIKey, XTP_CALENDAR_TZIRegValName_StandardName);
continue;
}
if (!GetRegBSTR(hkTZIdata, XTP_CALENDAR_TZIRegValName_DaylightNameW, bstrDaylightName))
{
TRACE(_T("Cannot get value from registry: 'HKEY_LOCAL_MACHINE\\%s\\%s'\n"), (LPCTSTR)strTZIKey, XTP_CALENDAR_TZIRegValName_DaylightName);
continue;
}
if (!GetRegTZI(hkTZIdata, XTP_CALENDAR_TZIRegValName_DATA, regTZI))
{
TRACE(_T("Cannot get value from registry: 'HKEY_LOCAL_MACHINE\\%s\\%s'\n"), (LPCTSTR)strTZIKey, XTP_CALENDAR_TZIRegValName_DATA);
continue;
}
if (!GetRegDWORD(hkTZIdata, XTP_CALENDAR_TZIRegValName_Index, dwIndex))
{
if (bUseIndex)
{
TRACE(_T("Cannot get value from registry: 'HKEY_LOCAL_MACHINE\\%s\\%s'\n"), (LPCTSTR)strTZIKey, XTP_CALENDAR_TZIRegValName_Index);
}
dwIndex = 0;
}
//=================================================
CXTPCalendarTimeZone* pXTP_TZI;
pXTP_TZI = new CXTPCalendarTimeZone();
if (!pXTP_TZI)
{
AfxThrowOleException(E_OUTOFMEMORY);
}
pXTP_TZI->Bias = regTZI.Bias;
WCSNCPY_S(pXTP_TZI->StandardName, 32, bstrStandardName, 32);
pXTP_TZI->StandardName[_countof(pXTP_TZI->StandardName)-1] = L'\0';
pXTP_TZI->StandardDate = regTZI.StandardDate;
pXTP_TZI->StandardBias = regTZI.StandardBias;
WCSNCPY_S(pXTP_TZI->DaylightName, 32, bstrDaylightName, 32);
pXTP_TZI->DaylightName[_countof(pXTP_TZI->DaylightName)-1] = L'\0';
pXTP_TZI->DaylightDate = regTZI.DaylightDate;
pXTP_TZI->DaylightBias = regTZI.DaylightBias;
pXTP_TZI->m_strDisplayString = strDisplayStr;
pXTP_TZI->m_dwIndex = dwIndex;
m_arTZInfo.Add(pXTP_TZI, FALSE);
RegCloseKey(hkTZIdata);
}
RegCloseKey(hkTZIRoot);
//-----------------------------------------------
if (bstrStandardName)
{
::SysFreeString(bstrStandardName);
}
if (bstrDaylightName)
{
::SysFreeString(bstrDaylightName);
}
//-----------------------------------------------
int nCount = m_arTZInfo.GetCount();
for (int i = 0; i < nCount; i++)
{
for (int j = i + 1; j < nCount; j++)
{
CXTPCalendarTimeZonePtr ptrElem1, ptrElem2;
ptrElem1 = m_arTZInfo.GetAt(i, TRUE);
ptrElem2 = m_arTZInfo.GetAt(j, TRUE);
if (CompareTZI(ptrElem1, ptrElem2, bUseIndex) > 0)
{
m_arTZInfo.SetAt(i, ptrElem2.Detach());
m_arTZInfo.SetAt(j, ptrElem1.Detach());
}
}
}
return TRUE;
}
