按照MSDN的例子beep怎么不发音
VB2005中我按照MSDN的例子弄了个
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim I As Integer
For I = 1 To 100 ' Loop 100 times.
Beep() ' Sound a tone.
Next I
End Sub
End Class
PC喇叭是正常的,可为什么不没有声音啊