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Private Declare Function RegOpenKeyA Lib "ADVAPI32.DLL" (ByVal hKey As Long, ByVal sSubKey As String, ByRef hkeyResult As Long) As Long
Private Declare Function RegCloseKey Lib "ADVAPI32.DLL" (ByVal hKey As Long) As Long
Private Declare Function RegSetValueExA Lib "ADVAPI32.DLL" (ByVal hKey As Long, ByVal sValueName As String, ByVal dwReserved As Long, ByVal dwType As Long, ByVal sValue As String, ByVal dwSize As Long) As Long
Private Declare Function RegCreateKeyA Lib "ADVAPI32.DLL" (ByVal hKey As Long, ByVal sSubKey As String, ByRef hkeyResult As Long) As Long
Private Declare Function RegQueryValueExA Lib "ADVAPI32.DLL" (ByVal hKey As Long, ByVal sValueName As String, ByVal dwReserved As Long, ByRef lValueType As Long, ByVal sValue As String, ByRef lResultLen As Long) As Long
Function GetRegistry(Key, Path, ByVal ValueName As String)
Dim hKey As Long
Dim lValueType As Long
Dim sResult As String
Dim lResultLen As Long
Dim ResultLen As Long
Dim x, TheKey As Long
TheKey = -99
Select Case UCase(Key)
Case "HKEY_CLASSES_ROOT": TheKey = &H80000000
Case "HKEY_CURRENT_USER": TheKey = &H80000001
Case "HKEY_LOCAL_MACHINE": TheKey = &H80000002
Case "HKEY_USERS": TheKey = &H80000003
Case "HKEY_CURRENT_CONFIG": TheKey = &H80000004
Case "HKEY_DYN_DATA": TheKey = &H80000005
End Select
If TheKey = -99 Then
GetRegistry = "Not Found"
Exit Function
End If
If RegOpenKeyA(TheKey, Path, hKey) <> 0 Then _
x = RegCreateKeyA(TheKey, Path, hKey)
sResult = Space(100)
lResultLen = 100
x = RegQueryValueExA(hKey, ValueName, 0, lValueType, _
sResult, lResultLen)
Select Case x
Case 0: GetRegistry = Left(sResult, lResultLen - 1)
Case Else: GetRegistry = "Not Found"
End Select
RegCloseKey hKey
End Function
Private Function WriteRegistry(ByVal Key As String, _
ByVal Path As String, ByVal entry As String, _
ByVal value As String)
Dim hKey As Long
Dim lValueType As Long
Dim sResult As String
Dim lResultLen As Long
TheKey = -99
Select Case UCase(Key)
Case "HKEY_CLASSES_ROOT": TheKey = &H80000000
Case "HKEY_CURRENT_USER": TheKey = &H80000001
Case "HKEY_LOCAL_MACHINE": TheKey = &H80000002
Case "HKEY_USERS": TheKey = &H80000003
Case "HKEY_CURRENT_CONFIG": TheKey = &H80000004
Case "HKEY_DYN_DATA": TheKey = &H80000005
End Select
If TheKey = -99 Then
WriteRegistry = False
Exit Function
End If
If RegOpenKeyA(TheKey, Path, hKey) <> 0 Then
x = RegCreateKeyA(TheKey, Path, hKey)
End If
x = RegSetValueExA(hKey, entry, 0, 1, value, Len(value) + 1)
If x = 0 Then WriteRegistry = True Else WriteRegistry = False
End Function
Sub UpdateRegistryWithTime()
RootKey = "hkey_current_user"
Path = "software\microsoft\office\9.0\excel\LastStarted"
RegEntry = "DateTime"
RegVal = Now()
LastTime = GetRegistry(RootKey, Path, RegEntry)
Debug.Print LastTime
Call WriteRegistry(RootKey, Path, RegEntry, RegVal)
End Sub
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