C#调节系统Wave的音量大小

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 waveOutSetVolume

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

 

        [DllImport("winmm.dll")]   //引用winmm.dll    

 

        public static extern long waveOutSetVolume(uint deviceID, uint Volume);      //参数为uint               

        private void Form1_Load(object sender, EventArgs e)

        {

 

        }

 

        // trackBar 控件的最大值为0xffff,最小值为0x0000

        private void trackBar1_Scroll(object sender, EventArgs e)

        {

            waveOutSetVolume(0, Convert.ToUInt16(trackBar1.Value));        

        }

    }

}