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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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