C# 获取麦克风音量并设置音量,获取扬声器音量

using System;
using System.Runtime.InteropServices;
using System.Diagnostics;
using NAudio.CoreAudioApi;
using System.Collections.Generic;
using System.Linq;

namespace WpfApp2
{
 
    public class TestV
    {
        //获取系统麦克风音量
        public int GetCurrentSpeakerVolume()
        {
            int volume = 0;
            var enumerator = new MMDeviceEnumerator();

            //获取音频输出设备
            IEnumerable<MMDevice> speakDevices = enumerator.EnumerateAudioEndPoints(DataFlow.Render, DeviceState.Active).ToArray();
            if (speakDevices.Count() > 0)
            {
                MMDevice mMDevice = speakDevices.ToList()[0];
                volume = Convert.ToInt16(mMDevice.AudioEndpointVolume.MasterVolumeLevelScalar * 100);
            }
            return volume;
        }
        //  获取当前系统扬声器音量
        public int GetCurrentSpeakerVolume1()
        {
            int volume = 0;
            var enumerator = new MMDeviceEnumerator();

            //获取音频输出设备
            IEnumerable<MMDevice> speakDevices = enumerator.EnumerateAudioEndPoints(DataFlow.Render, DeviceState.Active).ToArray();
            if (speakDevices.Count() > 0)
            {
                MMDevice mMDevice = speakDevices.ToList()[0];
                volume = Convert.ToInt16(mMDevice.AudioEndpointVolume.MasterVolumeLevelScalar * 100);
            }
            return volume;
        }


        //设置当前系统麦克风音量 volume 取值 0-100

        private void GetCurrentSpeakerVolume(int volume)
        {
            var enumerator = new MMDeviceEnumerator();
            IEnumerable<MMDevice> speakDevices = enumerator.EnumerateAudioEndPoints(DataFlow.Render, DeviceState.Active).ToArray();
            if (speakDevices.Count() > 0)
            {

                MMDevice mMDevice = speakDevices.ToList()[0];
                mMDevice.AudioEndpointVolume.MasterVolumeLevelScalar = volume / 100.0f;
            }
        }
    }

}