Private Sub 编号_KeyDown(KeyCode As Integer, Shift As Integer)
t1 = Timer()
End Sub
Private Sub 编号_KeyUp(KeyCode As Integer, Shift As Integer)
t2 = Timer()
If DateDiff("s", t1, t2) > 1500 Then
Me.编号 = Null
End If
End Sub
各位是否有更好的方法啊!?作者: roych 时间: 2013-3-11 12:18