我是神舟本本,用FN+F3就是静音,FN+F5/F6就是音量增加/减少.突然觉得是不是可以用程序实现呀.因为发现按下的时候并不是像LCD亮度一样由硬件在响应,而是系统在响应.于是就随便生成了一个EXE并用SPY++看了一下消息,嘿,还真是这样.整理了一下,先贴代码:'新建EXE工程,添加三个按钮.
'按钮一是音量增加,按钮二是音量减少,按钮三是静音切换.
Option ExplicitPrivate Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" ( _
ByVal hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long, _
ByVal lParam As Long) As LongPrivate Const WM_APPCOMMAND As Long = &H319
Private Const APPCOMMAND_VOLUME_UP As Long = 10
Private Const APPCOMMAND_VOLUME_DOWN As Long = 9
Private Const APPCOMMAND_VOLUME_MUTE As Long = 8Private Sub Command1_Click()
'音量增加
SendMessage Me.hwnd, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_UP * &H10000
End SubPrivate Sub Command2_Click()
'音量减少
SendMessage Me.hwnd, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_DOWN * &H10000
End SubPrivate Sub Command3_Click()
'静音
SendMessage Me.hwnd, WM_APPCOMMAND, &H200EB0, APPCOMMAND_VOLUME_MUTE * &H10000
End Sub
自己收藏一下,应该能算是个小技巧吧.
'按钮一是音量增加,按钮二是音量减少,按钮三是静音切换.
Option ExplicitPrivate Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" ( _
ByVal hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long, _
ByVal lParam As Long) As LongPrivate Const WM_APPCOMMAND As Long = &H319
Private Const APPCOMMAND_VOLUME_UP As Long = 10
Private Const APPCOMMAND_VOLUME_DOWN As Long = 9
Private Const APPCOMMAND_VOLUME_MUTE As Long = 8Private Sub Command1_Click()
'音量增加
SendMessage Me.hwnd, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_UP * &H10000
End SubPrivate Sub Command2_Click()
'音量减少
SendMessage Me.hwnd, WM_APPCOMMAND, &H30292, APPCOMMAND_VOLUME_DOWN * &H10000
End SubPrivate Sub Command3_Click()
'静音
SendMessage Me.hwnd, WM_APPCOMMAND, &H200EB0, APPCOMMAND_VOLUME_MUTE * &H10000
End Sub
自己收藏一下,应该能算是个小技巧吧.
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chenjl1031
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发表于:2008-02-15 10:34:479楼 得分:0
哈哈,测试了,还真是这样,在台式机上没有问题!我原来一直用下面地址的一个控制系统音量的类模块:http://xsoft.bokee.com/4780183.html
//这个技巧只能是控制一下音量大小及静音,完整的控制还是得用相关的API,就如你的类里一样