For a = 1 To 5
Rem m
Key = WaitKey()
If key = 96 Then
t1 = InputBox( “1”, "2", "3", 8000, 2500)
Else
Goto m
End If
Next
代码是这样，怎么让弹出的窗口保持在最前不被其他窗口覆盖啊？