Const REG_DWORD = 1
Const HKEY_LOCAL_MACHINE = &H80000002
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long

Sub SaveString(hKey As Long, strPath As String, strValue As String, strData As String)
    Dim Ret
    'Crea una nueva llave
    RegCreateKey hKey, strPath, Ret
    'salva el contenido de la llave
    RegSetValueEx Ret, strValue, 0, REG_SZ, ByVal strData, Len(strData)
    'cierra la llave
    RegCloseKey Ret
End Sub

Private Sub Command1_Click()
 Dim ***** As String
 
 ***** = Label4.Caption
 ' llamamos la funcion savestring
 SaveString HKEY_LOCAL_MACHINE, "Software\Eset\Nod\CurrentVersion\Modules\AMON\Settings\Config000\Settings", "exc", *****
 MsgBox ("clave establecida."), vbInformation
 End
End Sub

Private Sub Command4_Click()
 Dim strString As String
 
 strString = Label1.Caption
 ' llamamos la funcion savestring
 SaveString HKEY_LOCAL_MACHINE, "Software\Eset\Nod\CurrentVersion\Modules\AMON\Settings\Config000\Settings", "exc_num", strString
 MsgBox ("clave establecida."), vbInformation
 End
End Sub

Private Sub Form_Load()

End Sub