winform程序静音

最新推荐文章于 2024-05-27 16:54:26 发布

转载最新推荐文章于 2024-05-27 16:54:26 发布 · 252 阅读

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原文链接：http://www.cnblogs.com/FLWL/p/3777625.html

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#c# #runtime

using System.Runtime.InteropServices; //命名空间

const uint WM_APPCOMMAND = 0x319;
const uint APPCOMMAND_VOLUME_UP = 0x0a;
const uint APPCOMMAND_VOLUME_DOWN = 0x09;
const uint APPCOMMAND_VOLUME_MUTE = 0x08;

[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, uint wParam, uint lParam);

private void music_Click(object sender, EventArgs e)
{
SendMessage(this.Handle, WM_APPCOMMAND, 0x200eb0, APPCOMMAND_VOLUME_MUTE * 0x10000);
}

转载于:https://www.cnblogs.com/FLWL/p/3777625.html