窗口增加时钟
***************** Code Start ***************
Private Sub Form_Timer()
Me!lblClock.Caption = Format(Now, "dddd, mmm d yyyy, hh:mm:ss AMPM")
End Sub

Private Sub cmdClockStart_Click()
Me.TimerInterval = 1000
End Sub

Private Sub cmdClockEnd_Click()
Me.TimerInterval = 0
End Sub
'***************** Code End ***************