What is the syntax to run a procedure based on a timer?

Sub <procedure name>()
   'code to be run
   Application.OnTime Now + TimeValue("00:00:00"), "<procedure name>"
End Sub
Sub runsEveryTenSeconds()
    If formClock.Visible = False Then Exit Sub

    Call updateClock
    Application.OnTime Now + TimeValue("00:00:10"), "runsEveryTenSeconds"
End Sub



What is the syntax to automatically run code when multi-page page changes?

Private Sub <multipage name>_Change()
   If Me.<multipage name>.Value = <pg index under which code should run> Then
      <code to be run when page is activated>
   End If
End Sub
'example for multipage named "mtp"
Private Sub mtp_Change() 'called whenever active page in multipage changes
   If Me.mtp.Value = 1 Then 'if user opens the "Show Guest List" page
        Call loadGuestLists 'automatically runs this code
   End If
End Sub