- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Text;
- using System.Windows.Forms;
- using System.Runtime.InteropServices;
- namespace VolumnSet
- {
- public partial class Form1 : Form
- {
- [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
- static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, uint wParam, uint lParam);
- const uint WM_APPCOMMAND = 0x319;
- const uint APPCOMMAND_VOLUME_UP = 0x0a;
- const uint APPCOMMAND_VOLUME_DOWN = 0x09;
- const uint APPCOMMAND_VOLUME_MUTE = 0x08;
- public Form1()
- {
- InitializeComponent();
- }
- private void button1_Click(object sender, EventArgs e)
- {
- //加音量
- SendMessage(this.Handle, WM_APPCOMMAND, 0x30292, APPCOMMAND_VOLUME_UP * 0x10000);
- }
- private void button2_Click(object sender, EventArgs e)
- {
- //减音量
- SendMessage(this.Handle, WM_APPCOMMAND, 0x30292, APPCOMMAND_VOLUME_DOWN * 0x10000);
- }
- private void checkBox1_CheckedChanged(object sender, EventArgs e)
- {
- //静音
- SendMessage(this.Handle, WM_APPCOMMAND, 0x200eb0, APPCOMMAND_VOLUME_MUTE * 0x10000);
- }
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/0704201512110.html
来源: http://www.codesnippet.cn/detail/0704201512110.html