OnOffMonitor

Private Declare Function SendMessage Lib "user32" _
Alias "SendMessageA" (ByVal hWnd As Long, _
ByVal wMsg As Long, ByVal wParam As Long, lParam _
As Any) As Long
Private Const WM_SYSCOMMAND = &H112
Private Const SC_MONITORPOWER = &HF170
'Monitor Acceso: ->

SendMessage Me.hWnd, WM_SYSCOMMAND, SC_MONITORPOWER, ByVal 0&
'Monitor Spento: ->

SendMessage Me.hWnd, WM_SYSCOMMAND, SC_MONITORPOWER, ByVal -1&