Attribute VB_Name = "modRegistry" 'For working with the Windows Registry Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal hkey As Long, ByVal lpValueName As String) As Long Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hkey As Long, ByVal lpSubKey As String, phkResult As Long) As Long 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 Declare Function RegEnumKeyEx Lib "advapi32.dll" Alias "RegEnumKeyExA" (ByVal hkey As Long, ByVal dwIndex As Long, ByVal lpName As String, lpcbName As Long, ByVal lpReserved As Long, ByVal lpClass As String, lpcbClass As Long, lpftLastWriteTime As Any) As Long Declare Function RegEnumValue Lib "advapi32.dll" Alias "RegEnumValueA" (ByVal hkey As Long, ByVal dwIndex As Long, ByVal lpValueName As String, lpcbValueName As Long, ByVal lpReserved As Long, lpType As Long, lpData As Byte, lpcbData 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 messages to the 'user. I have set the default value to False as an error message can and 'does become irritating after a while. Turn this value to true if you want 'to debug your programming code when reading and writing to your system 'registry, as any errors will be displayed in a message box. Const DisplayErrorMsg = False Public Function EnumRegKey(SubKey As String) As String() Dim hkey As Long Dim Cnt As Long Dim sSave As String Dim strKeys() As String Call ParseKey(SubKey, MainKeyHandle) ' Open a registry key RegOpenKey MainKeyHandle, SubKey, hkey Do ' Create a buffer sSave = String(255, 0) ' Enumerate the keys If RegEnumKeyEx(hkey, Cnt, sSave, 255, 0, vbNullString, ByVal 0&, ByVal 0&) <> 0 Then ReDim Preserve strKeys(Cnt) Exit Do Else ' Add the Keys to the array. ReDim Preserve strKeys(Cnt) strKeys(Cnt) = StripTerminator(sSave) Cnt = Cnt + 1 End If Loop RegCloseKey hkey EnumRegKey = strKeys End Function Public Sub EnumValues(SubKey As String, ListToAddTo As ListView) Dim hkey As Long, Cnt As Long, sSave As String Call ParseKey(SubKey, MainKeyHandle) 'Open a new key RegOpenKey MainKeyHandle, SubKey, hkey Cnt = 0 Do 'Create a buffer sSave = String(255, 0) 'enumerate the values If RegEnumValue(hkey, Cnt, sSave, 255, 0, ByVal 0&, ByVal 0&, ByVal 0&) <> 0 Then Exit Do 'pritn the results to the form If StripTerminator(sSave) <> "" Then ListToAddTo.ListItems.Add , , StripTerminator(sSave) End If Cnt = Cnt + 1 DoEvents 'If InProcess = False Then Exit Do Loop 'Close the registry RegCloseKey hkey End Sub Private Function StripTerminator(sInput As String) As String 'This function is used to stripoff all the unnecessary chr$(0)'s Dim ZeroPos As Integer 'Search the first chr$(0) ZeroPos = InStr(1, sInput, vbNullChar) If ZeroPos > 0 Then StripTerminator = Left$(sInput, ZeroPos - 1) Else StripTerminator = sInput End If End Function Function DeleteKey(ByVal Keyname As String) As Boolean Call ParseKey(Keyname, MainKeyHandle) rtn = RegDeleteKey(MainKeyHandle, Keyname) 'delete the key If rtn = 0 Then DeleteKey = True Else DeleteKey = False End If End Function Public Function DeleteValue(ByVal strPath As String, ByVal strValue As String) Dim keyhand As Long Call ParseKey(strPath, MainKeyHandle) rtn = RegOpenKey(MainKeyHandle, strPath, keyhand) rtn = RegDeleteValue(keyhand, strValue) rtn = RegCloseKey(keyhand) End Function Function SetDWORDValue(SubKey As String, Entry As String, Value As Long) Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_WRITE, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key was open successfully then rtn = RegSetValueExA(hkey, Entry, 0, REG_DWORD, Value, 4) 'write the value If Not rtn = ERROR_SUCCESS Then 'if there was an error writting the value If DisplayErrorMsg = True Then 'if the user want errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If rtn = RegCloseKey(hkey) 'close the key Else 'if there was an error opening the key If DisplayErrorMsg = True Then 'if the user want errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If End If End Function Function GetDWORDValue(SubKey As String, Entry As String) Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_READ, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key could be opened then rtn = RegQueryValueExA(hkey, Entry, 0, REG_DWORD, lBuffer, 4) 'get the value from the registry If rtn = ERROR_SUCCESS Then 'if the value could be retreived then rtn = RegCloseKey(hkey) 'close the key GetDWORDValue = lBuffer 'return the value Else 'otherwise, if the value couldnt be retreived GetDWORDValue = "Error" 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants errors displayed MsgBox ErrorMsg(rtn) 'tell the user what was wrong End If End If Else 'otherwise, if the key couldnt be opened GetDWORDValue = "Error" 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants errors displayed MsgBox ErrorMsg(rtn) 'tell the user what was wrong End If End If End If End Function Function SetBinaryValue(SubKey As String, Entry As String, Value As String) Dim I As Integer Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_WRITE, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key was open successfully then lDataSize = Len(Value) ReDim ByteArray(lDataSize) For I = 1 To lDataSize ByteArray(I) = Asc(Mid$(Value, I, 1)) Next rtn = RegSetValueExB(hkey, Entry, 0, REG_BINARY, ByteArray(1), lDataSize) 'write the value If Not rtn = ERROR_SUCCESS Then 'if the was an error writting the value If DisplayErrorMsg = True Then 'if the user want errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If rtn = RegCloseKey(hkey) 'close the key Else 'if there was an error opening the key If DisplayErrorMsg = True Then 'if the user wants errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If End If End Function Function GetBinaryValue(SubKey As String, Entry As String) Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_READ, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key could be opened lBufferSize = 1 rtn = RegQueryValueEx(hkey, Entry, 0, REG_BINARY, 0, lBufferSize) 'get the value from the registry sBuffer = Space(lBufferSize) rtn = RegQueryValueEx(hkey, Entry, 0, REG_BINARY, sBuffer, lBufferSize) 'get the value from 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 Public 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 Function GetStringValue(SubKey As String, Entry As String) As String On Error Resume Next Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_READ, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key could be opened then sBuffer = Space(255) 'make a buffer lBufferSize = Len(sBuffer) rtn = RegQueryValueEx(hkey, Entry, 0, REG_SZ, sBuffer, lBufferSize) 'get the value from the registry If rtn = ERROR_SUCCESS Then 'if the value could be retreived then rtn = RegCloseKey(hkey) 'close the key sBuffer = Trim(sBuffer) GetStringValue = Left(sBuffer, Len(sBuffer) - 1) 'return the value to the user Else 'otherwise, if the value couldnt be retreived GetStringValue = "Error" 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants errors displayed then MsgBox ErrorMsg(rtn) 'tell the user what was wrong End If End If Else 'otherwise, if the key couldnt be opened GetStringValue = "Error" 'return Error to the user If DisplayErrorMsg = True Then 'if the user wants errors displayed then MsgBox ErrorMsg(rtn) 'tell the user what was wrong End If End If End If End Function Private Sub ParseKey(Keyname As String, Keyhandle As Long) rtn = InStr(Keyname, "\") 'return if "\" is contained in the Keyname If Left(Keyname, 5) <> "HKEY_" Or Right(Keyname, 1) = "\" Then 'if the is a "\" at the end of the Keyname then MsgBox "Incorrect Format:" + Chr(10) + Chr(10) + Keyname 'display error to the user Exit Sub 'exit the procedure ElseIf rtn = 0 Then 'if the Keyname contains no "\" Keyhandle = GetMainKeyHandle(Keyname) Keyname = "" 'leave Keyname blank Else 'otherwise, Keyname contains "\" Keyhandle = GetMainKeyHandle(Left(Keyname, rtn - 1)) 'seperate the Keyname Keyname = Right(Keyname, Len(Keyname) - rtn) End If End Sub Function CreateKey(SubKey As String) Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegCreateKey(MainKeyHandle, SubKey, hkey) 'create the key If rtn = ERROR_SUCCESS Then 'if the key was created then rtn = RegCloseKey(hkey) 'close the key End If End If End Function Function SetStringValue(SubKey As String, Entry As String, Value As String) Call ParseKey(SubKey, MainKeyHandle) If MainKeyHandle Then rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_WRITE, hkey) 'open the key If rtn = ERROR_SUCCESS Then 'if the key was open successfully then rtn = RegSetValueEx(hkey, Entry, 0, REG_SZ, ByVal Value, Len(Value)) 'write the value If Not rtn = ERROR_SUCCESS Then 'if there was an error writting the value If DisplayErrorMsg = True Then 'if the user wants errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If rtn = RegCloseKey(hkey) 'close the key Else 'if there was an error opening the key If DisplayErrorMsg = True Then 'if the user wants errors displayed MsgBox ErrorMsg(rtn) 'display the error End If End If End If End Function