使用SDL库停止C#中的声音播放

using System;
using SDL2;

class Program
{
    static IntPtr audioDevice;
    static SDL.SDL_AudioSpec desiredSpec;
    static bool isPlaying = true;

    static void Main(string[] args)
    {
        SDL.SDL_Init(SDL.SDL_INIT_AUDIO);

        desiredSpec.freq = 44100;
        desiredSpec.format = SDL.AUDIO_S16;
        desiredSpec.channels = 2;
        desiredSpec.samples = 4096;
        desiredSpec.callback = AudioCallback;

        audioDevice = SDL.SDL_OpenAudioDevice(null, 0, ref desiredSpec, out SDL.SDL_AudioSpec obtainedSpec, SDL.SDL_AUDIO_ALLOW_ANY_CHANGE);

        SDL.SDL_PauseAudioDevice(audioDevice, 0);

        Console.WriteLine("Press any key to stop the sound...");
        Console.ReadKey();

        isPlaying = false;

        SDL.SDL_CloseAudioDevice(audioDevice);
        SDL.SDL_Quit();
    }

    static void AudioCallback(IntPtr userdata, IntPtr stream, int len)
    {
        // Fill the audio buffer with silence
        SDL.SDL_memset(stream, 0, len);

        if (!isPlaying)
        {
            // Stop playing audio
            SDL.SDL_PauseAudioDevice(audioDevice, 1);
        }
    }
}