NAudio test using c#

cnsNAudioTest221031.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NAudio.Wave;

namespace cnsNAudioTest221031
{
    internal class Program
    {
        static void Main(string[] args)
        {
            // test for using NAudio
            // install NAudio library from NuGet
            //ref to : https://www.fast-system.jp/c%E3%81%AEnaudio-%E3%81%A7%E3%83%9E%E3%82%A4%E3%82%AF%E3%81%8B%E3%82%89%E9%8C%B2%E9%9F%B3%E3%82%92%E3%81%99%E3%82%8B/

            int deviceIndex = 0;
            int fs = 44100;
            int NumCh = 1;

            string pathDesktop = System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
            string strDateTime = System.DateTime.Now.ToString("yyMMdd_HHMMss");
            string fnames = pathDesktop + "\\myTemp_" + strDateTime + ".wav";

            WaveInEvent waveIn;
            WaveFileWriter waveWriter;

            waveIn = new WaveInEvent();
            waveIn.DeviceNumber = deviceIndex;
            waveIn.WaveFormat = new WaveFormat(fs, NumCh);

            waveWriter = new WaveFileWriter(fnames,waveIn.WaveFormat);
 
            waveIn.DataAvailable += (_, ee) =>
            {
                waveWriter.Write(ee.Buffer, 0, ee.BytesRecorded);
                waveWriter.Flush();
            };
            waveIn.RecordingStopped += (_, __) =>
            {
                waveWriter.Flush();
            };

            waveIn.StartRecording();
            Console.WriteLine("Recoding now ... ");
            Console.WriteLine("to stop hit any key : ");
            Console.ReadKey();
            //System.Threading.Thread.Sleep(2000);
            waveIn.StopRecording();
        }
    }
}