cregistry.cls

文档编程软件,类似WORD的一个编辑工具.

                                ordType, abData(0), cData)
        vValue = abData
        
    End Select
    Value = vValue
    
End Property
Public Property Let Value( _
        ByVal vValue As Variant _
    )
Dim ordType As Long
Dim c As Long
Dim hKey As Long
Dim e As Long
Dim lCreate As Long
Dim tSA As SECURITY_ATTRIBUTES

    'Open or Create the key
    e = RegCreateKeyEx(m_hClassKey, m_sSectionKey, 0, "", REG_OPTION_NON_VOLATILE, _
                 KEY_ALL_ACCESS, tSA, hKey, lCreate)
    
    If e Then
        Err.Raise 26001, App.EXEName & ".cRegistry", "Failed to set registry value Key: '" & m_hClassKey & "',Section: '" & m_sSectionKey & "',Key: '" & m_sValueKey & "' to value: '" & m_vValue & "'"
    Else

        Select Case m_eValueType
        Case REG_BINARY
            If (VarType(vValue) = vbArray + vbByte) Then
                Dim ab() As Byte
                ab = vValue
                ordType = REG_BINARY
                c = UBound(ab) - LBound(ab) - 1
                e = RegSetValueExByte(hKey, m_sValueKey, 0&, ordType, ab(0), c)
            Else
                Err.Raise 26001
            End If
        Case REG_DWORD, REG_DWORD_BIG_ENDIAN, REG_DWORD_LITTLE_ENDIAN
            If (VarType(vValue) = vbInteger) Or (VarType(vValue) = vbLong) Then
                Dim i As Long
                i = vValue
                ordType = REG_DWORD
                e = RegSetValueExLong(hKey, m_sValueKey, 0&, ordType, i, 4)
            End If
        Case REG_SZ, REG_EXPAND_SZ
            Dim s As String, iPos As Long
            s = vValue
            ordType = REG_SZ
            ' Assume anything with two non-adjacent percents is expanded string
            iPos = InStr(s, "%")
            If iPos Then
                If InStr(iPos + 2, s, "%") Then ordType = REG_EXPAND_SZ
            End If
            c = Len(s) + 1
            e = RegSetValueExStr(hKey, m_sValueKey, 0&, ordType, s, c)
            
        ' User should convert to a compatible type before calling
        Case Else
            e = ERROR_INVALID_DATA
            
        End Select
        
        If Not e Then
            m_vValue = vValue
        Else
            Err.Raise vbObjectError + 1048 + 26001, App.EXEName & ".cRegistry", "Failed to set registry value Key: '" & m_hClassKey & "',Section: '" & m_sSectionKey & "',Key: '" & m_sValueKey & "' to value: '" & m_vValue & "'"
        End If
        
        'Close the key
        RegCloseKey hKey
    
    End If
    
End Property
Public Function EnumerateValues( _
        ByRef sKeyNames() As String, _
        ByRef iKeyCount As Long _
    ) As Boolean
Dim lResult As Long
Dim hKey As Long
Dim sName As String
Dim lNameSize As Long
Dim sData As String
Dim lIndex As Long
Dim cJunk As Long
Dim cNameMax As Long
Dim ft As Currency
   
   ' Log "EnterEnumerateValues"

   iKeyCount = 0
   Erase sKeyNames()
    
   lIndex = 0
   lResult = RegOpenKeyEx(m_hClassKey, m_sSectionKey, 0, KEY_QUERY_VALUE, hKey)
   If (lResult = ERROR_SUCCESS) Then
      ' Log "OpenedKey:" & m_hClassKey & "," & m_sSectionKey
      lResult = RegQueryInfoKey(hKey, "", cJunk, 0, _
                               cJunk, cJunk, cJunk, cJunk, _
                               cNameMax, cJunk, cJunk, ft)
       Do While lResult = ERROR_SUCCESS
   
           'Set buffer space
           lNameSize = cNameMax + 1
           sName = String$(lNameSize, 0)
           If (lNameSize = 0) Then lNameSize = 1
           
           ' Log "Requesting Next Value"
         
           'Get value name:
           lResult = RegEnumValue(hKey, lIndex, sName, lNameSize, _
                                  0&, 0&, 0&, 0&)
           ' Log "RegEnumValue returned:" & lResult
           If (lResult = ERROR_SUCCESS) Then
       
                ' Although in theory you can also retrieve the actual
                ' value and type here, I found it always (ultimately) resulted in
                ' a GPF, on Win95 and NT.  Why?  Can anyone help?
       
               sName = Left$(sName, lNameSize)
               ' Log "Enumerated value:" & sName
                 
               iKeyCount = iKeyCount + 1
               ReDim Preserve sKeyNames(1 To iKeyCount) As String
               sKeyNames(iKeyCount) = sName
           End If
           lIndex = lIndex + 1
       Loop
   End If
   If (hKey <> 0) Then
      RegCloseKey hKey
   End If

   ' Log "Exit Enumerate Values"
   EnumerateValues = True
   Exit Function
   
EnumerateValuesError:
   If (hKey <> 0) Then
      RegCloseKey hKey
   End If
   Err.Raise vbObjectError + 1048 + 26003, App.EXEName & ".cRegistry", Err.Description
   Exit Function

End Function
Public Function EnumerateSections( _
        ByRef sSect() As String, _
        ByRef iSectCount As Long _
    ) As Boolean
Dim lResult As Long
Dim hKey As Long
Dim dwReserved As Long
Dim szBuffer As String
Dim lBuffSize As Long
Dim lIndex As Long
Dim lType As Long
Dim sCompKey As String
Dim iPos As Long

On Error GoTo EnumerateSectionsError

   iSectCount = 0
   Erase sSect
'
   lIndex = 0

   lResult = RegOpenKeyEx(m_hClassKey, m_sSectionKey, 0, KEY_ENUMERATE_SUB_KEYS, hKey)
   Do While lResult = ERROR_SUCCESS
       'Set buffer space
       szBuffer = String$(255, 0)
       lBuffSize = Len(szBuffer)
      
      'Get next value
       lResult = RegEnumKey(hKey, lIndex, szBuffer, lBuffSize)
                             
       If (lResult = ERROR_SUCCESS) Then
           iSectCount = iSectCount + 1
           ReDim Preserve sSect(1 To iSectCount) As String
           iPos = InStr(szBuffer, Chr$(0))
           If (iPos > 0) Then
              sSect(iSectCount) = Left(szBuffer, iPos - 1)
           Else
              sSect(iSectCount) = Left(szBuffer, lBuffSize)
           End If
       End If
       
       lIndex = lIndex + 1
   Loop
   If (hKey <> 0) Then
      RegCloseKey hKey
   End If
   EnumerateSections = True
   Exit Function

EnumerateSectionsError:
   If (hKey <> 0) Then
      RegCloseKey hKey
   End If
   Err.Raise vbObjectError + 1048 + 26002, App.EXEName & ".cRegistry", Err.Description
   Exit Function
End Function
Public Sub CreateEXEAssociation( _
        ByVal sExePath As String, _
        ByVal sClassName As String, _
        ByVal sClassDescription As String, _
        ByVal sAssociation As String, _
        Optional ByVal lDefaultIconIndex As Long = -1 _
    )
    ClassKey = HKEY_CLASSES_ROOT
    SectionKey = "." & sAssociation
    ValueKey = ""
    Value = sClassName
    SectionKey = "." & sAssociation & "\shell\open\command"
    ValueKey = ""
    Value = sExePath & " ""%1"""
    
    SectionKey = sClassName
    ValueKey = ""
    Value = sClassDescription
    SectionKey = sClassName & "\shell\open\command"
    ValueKey = sExePath & " ""%1"""
    If lDefaultIconIndex > -1 Then
        SectionKey = sClassName & "\DefaultIcon"
        ValueKey = ""
        Value = sExePath & "," & CStr(lDefaultIconIndex)
    End If
    
End Sub
Public Property Get ValueType() As ERegistryValueTypes
    ValueType = m_eValueType
End Property
Public Property Let ValueType(ByVal eValueType As ERegistryValueTypes)
    m_eValueType = eValueType
End Property
Public Property Get ClassKey() As ERegistryClassConstants
    ClassKey = m_hClassKey
End Property
Public Property Let ClassKey( _
        ByVal eKey As ERegistryClassConstants _
    )
    m_hClassKey = eKey
End Property
Public Property Get SectionKey() As String
    SectionKey = m_sSectionKey
End Property
Public Property Let SectionKey( _
        ByVal sSectionKey As String _
    )
    m_sSectionKey = sSectionKey
End Property
Public Property Get ValueKey() As String
    ValueKey = m_sValueKey
End Property
Public Property Let ValueKey( _
        ByVal sValueKey As String _
    )
    m_sValueKey = sValueKey
End Property
Public Property Get Default() As Variant
    Default = m_vDefault
End Property
Public Property Let Default( _
        ByVal vDefault As Variant _
    )
    m_vDefault = vDefault
End Property
Private Function SwapEndian(ByVal dw As Long) As Long
    CopyMemory ByVal VarPtr(SwapEndian) + 3, dw, 1
    CopyMemory ByVal VarPtr(SwapEndian) + 2, ByVal VarPtr(dw) + 1, 1
    CopyMemory ByVal VarPtr(SwapEndian) + 1, ByVal VarPtr(dw) + 2, 1
    CopyMemory SwapEndian, ByVal VarPtr(dw) + 3, 1
End Function
Private Function ExpandEnvStr(sData As String) As String
    Dim c As Long, s As String
    ' Get the length
    s = "" ' Needed to get around Windows 95 limitation
    c = ExpandEnvironmentStrings(sData, s, c)
    ' Expand the string
    s = String$(c - 1, 0)
    c = ExpandEnvironmentStrings(sData, s, c)
    ExpandEnvStr = s
End Function