关于BEEP函数的发声问题
'声明API函数Private Declare Function Beep Lib "kernel32" (ByVal dwFreq As Long, ByVal dwDuration As Long) As Long
Public v '变量声明
我在笔记本上用是扬声器响
到了台式机就变成蜂鸣器响了,
怎样处理才能在耳机或扬声器发声?
2014-01-24 22:43
2014-01-25 12:28
2014-01-25 12:28
2014-01-25 12:29