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Const HKEY_CURRENT_CONFIG = &H80000005
Const HKEY_LOCAL_MACHINE = &H80000002
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private 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
Private 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
Private Sub Form_Paint()
    'KPD-Team 1999
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
    Dim hKey As Long, Cnt As Long, sSave As String
    'Clear the form
    Me.Cls
    Me.Print "RegEnumKeyEx"
    'Open a registry key
    RegOpenKey HKEY_LOCAL_MACHINE, "Enum", 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 Exit Do
        'Print the result to the form
        Me.Print StripTerminator(sSave)
        Cnt = Cnt + 1
    Loop
    'Close the registry key
    RegCloseKey hKey
    Me.Print vbCrLf + "RegEnumValue:"
    'Open a new key
    RegOpenKey HKEY_CURRENT_CONFIG, "Display\Fonts", 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
        Me.Print StripTerminator(sSave)
        Cnt = Cnt + 1
    Loop
    'Close the registry
    RegCloseKey hKey
End Sub
'This function is used to stripoff all the unnecessary chr$(0)'s
Private Function StripTerminator(sInput As String) As String
    Dim ZeroPos As Integer
    'Search the first chr$(0)
    ZeroPos = InStr(1, sInput, vbNullChar)
    If ZeroPos > 0 Then
        StripTerminator = Left$(sInput, ZeroPos - 1)
    Else
        StripTerminator = sInput
    End If
End Function


 
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