可以编一个静音的程序吗
来源:百度知道 编辑:UC知道 时间:2024/05/14 13:08:33
我想编一个有静音功能的程序.
就象笔记本电脑那样有一个按件一按就静音了.
兄弟,太复杂了,我不要求那么多了,我只要求一个功能就可以,运行静音,再运行取消静音.那么复杂没要搞懂头晕晕的.
就象笔记本电脑那样有一个按件一按就静音了.
兄弟,太复杂了,我不要求那么多了,我只要求一个功能就可以,运行静音,再运行取消静音.那么复杂没要搞懂头晕晕的.
这个方法已经测试通过:
Private 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 Long
Private Const WM_APPCOMMAND As Long = &H319
Private Const APPCOMMAND_VOLUME_MUTE As Long = 8
Private Sub Command1_Click()
SendMessage Me.hwnd, WM_APPCOMMAND, &H200EB0, APPCOMMAND_VOLUME_MUTE * &H10000
End Sub
是不是把声音关小?
Option Explicit
Private Declare Function SendMessage Lib "user32.dll" Alias "