Как определить локальный формат даты? - VB
Формулировка задачи:
люди! как определить локальный формат даты?
'dd/mm/yyyy' или 'mm/dd/yyyy'
Решение задачи: «Как определить локальный формат даты?»
textual
Листинг программы
'I got this entrie module from [url]www.VBcode.com[/url] Type FILETIME lLowDateTime As Long lHighDateTime As Long End Type Declare Function RegOpenKeyEx Lib 'advapi32.dll' Alias 'RegOpenKeyExA' (ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, phkResult As Long) As Long Declare Function RegCloseKey Lib 'advapi32.dll' (ByVal hKey As Long) As Long Declare Function RegCreateKey Lib 'advapi32.dll' Alias 'RegCreateKeyA' (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long Declare Function RegDeleteKey Lib 'advapi32.dll' Alias 'RegDeleteKeyA' (ByVal hKey As Long, ByVal lpSubKey As String) As Long Declare Function RegQueryValueEx Lib 'advapi32.dll' Alias 'RegQueryValueExA' (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, ByVal lpData As String, lpcbData As Long) As Long Declare Function RegQueryValueExA Lib 'advapi32.dll' (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, ByRef lpData As Long, lpcbData As Long) As Long Declare Function RegSetValueEx Lib 'advapi32.dll' Alias 'RegSetValueExA' (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, ByVal lpData As String, ByVal cbData As Long) As Long Declare Function RegSetValueExA Lib 'advapi32.dll' (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, ByRef lpData As Long, ByVal cbData As Long) As Long Declare Function RegSetValueExB Lib 'advapi32.dll' Alias 'RegSetValueExA' (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, ByRef lpData As Byte, ByVal cbData As Long) As Long Const ERROR_SUCCESS = 0& Const ERROR_BADDB = 1009& Const ERROR_BADKEY = 1010& Const ERROR_CANTOPEN = 1011& Const ERROR_CANTREAD = 1012& Const ERROR_CANTWRITE = 1013& Const ERROR_OUTOFMEMORY = 14& Const ERROR_INVALID_PARAMETER = 87& Const ERROR_ACCESS_DENIED = 5& Const ERROR_NO_MORE_ITEMS = 259& Const ERROR_MORE_DATA = 234& Const REG_NONE = 0& Const REG_SZ = 1& Const REG_EXPAND_SZ = 2& Const REG_BINARY = 3& Const REG_DWORD = 4& Const REG_DWORD_LITTLE_ENDIAN = 4& Const REG_DWORD_BIG_ENDIAN = 5& Const REG_LINK = 6& Const REG_MULTI_SZ = 7& Const REG_RESOURCE_LIST = 8& Const REG_FULL_RESOURCE_DESCRIPTOR = 9& Const REG_RESOURCE_REQUIREMENTS_LIST = 10& Const KEY_QUERY_VALUE = &H1& Const KEY_SET_VALUE = &H2& Const KEY_CREATE_SUB_KEY = &H4& Const KEY_ENUMERATE_SUB_KEYS = &H8& Const KEY_NOTIFY = &H10& Const KEY_CREATE_LINK = &H20& Const READ_CONTROL = &H20000 Const WRITE_DAC = &H40000 Const WRITE_OWNER = &H80000 Const SYNCHRONIZE = &H100000 Const STANDARD_RIGHTS_REQUIRED = &HF0000 Const STANDARD_RIGHTS_READ = READ_CONTROL Const STANDARD_RIGHTS_WRITE = READ_CONTROL Const STANDARD_RIGHTS_EXECUTE = READ_CONTROL Const KEY_READ = STANDARD_RIGHTS_READ Or KEY_QUERY_VALUE Or KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY Const KEY_WRITE = STANDARD_RIGHTS_WRITE Or KEY_SET_VALUE Or KEY_CREATE_SUB_KEY Const KEY_EXECUTE = KEY_READ Dim hKey As Long, MainKeyHandle As Long Dim rtn As Long, lBuffer As Long, sBuffer As String Dim lBufferSize As Long Dim lDataSize As Long Dim ByteArray() As Byte 'This constant determins wether or not to display error m om the registry If rtn = ERROR_SUCCESS Then 'if the value could be retreived then rtn = RegCloseKey(hKey) 'close the key GetBinaryValue = sBuffer 'return the value to the user Else 'otherwise, if the value couldnt be retreived GetBinaryValue = 'Error' 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants to errors displayed MsgBox ErrorMsg(rtn) 'display the error to the user End If End If Else 'otherwise, if the key couldnt be opened GetBinaryValue = 'Error' 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants to errors displayed MsgBox ErrorMsg(rtn) 'display the error to the user End If End If End If End Function Function DeleteKey(Keyname As String) Call ParseKey(Keyname, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, Keyname, 0, KEY_WRITE, hKey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key could be opened then rtn = RegDeleteKey(hKey, Keyname) 'delete the key rtn = RegCloseKey(hKey) 'close the key End If End If End Function Function GetMainKeyHandle(MainKeyName As String) As Long Const HKEY_CLASSES_ROOT = &H80000000 Const HKEY_CURRENT_USER = &H80000001 Const HKEY_LOCAL_MACHINE = &H80000002 Const HKEY_USERS = &H80000003 Const HKEY_PERFORMANCE_DATA = &H80000004 Const HKEY_CURRENT_CONFIG = &H80000005 Const HKEY_DYN_DATA = &H80000006 Select Case MainKeyName Case 'HKEY_CLASSES_ROOT' GetMainKeyHandle = HKEY_CLASSES_ROOT Case 'HKEY_CURRENT_USER' GetMainKeyHandle = HKEY_CURRENT_USER Case 'HKEY_LOCAL_MACHINE' GetMainKeyHandle = HKEY_LOCAL_MACHINE Case 'HKEY_USERS' GetMainKeyHandle = HKEY_USERS Case 'HKEY_PERFORMANCE_DATA' GetMainKeyHandle = HKEY_PERFORMANCE_DATA Case 'HKEY_CURRENT_CONFIG' GetMainKeyHandle = HKEY_CURRENT_CONFIG Case 'HKEY_DYN_DATA' GetMainKeyHandle = HKEY_DYN_DATA End Select End Function Function ErrorMsg(lErrorCode As Long) As String 'If an error does accurr, and the user wants error messages displayed, then 'display one of the following error messages Select Case lErrorCode Case 1009, 1015 GetErrorMsg = 'The Registry Database is corrupt!' Case 2, 1010 GetErrorMsg = 'Bad Key Name' Case 1011 GetErrorMsg = 'Can't Open Key' Case 4, 1012 GetErrorMsg = 'Can't Read Key' Case 5 GetErrorMsg = 'Access to this key is denied' Case 1013 GetErrorMsg = 'Can't Write Key' Case 8, 14 GetErrorMsg = 'Out of memory' Case 87 GetErrorMsg = 'Invalid Parameter' Case 234 GetErrorMsg = 'There is more data than the buffer has been allocated to hold.' Case Else GetErrorMsg = 'Undefined Error Code: ' & Str$(lErrorCode) End Select End Function
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