Add this Project to your Visual Studio Solution. The project uses .NET 5.0, however you probably can port to .Net Framework, etc..

using LivestreamDanmuku.Douyu;

Instantiate DanmukuClient.

DanmukuClient danmu = new DanmukuClient(74751);
danmu.Run();

If you only want to receive chatting, use:

danmu.OnChatMessage += Danmu_OnChatMessage;

I'm not yet implement other message types, however it is able to hook these via:

danmu.Register(new Dictionary<string, MessageHandler> {
    {
        "uenter",
        (msg) => {
            Debug.WriteLine($"用户进入 {msg["nn"]}");
        }
    },
    {
        "loginres",
        (msg) => {
            Debug.WriteLine("登陆成功");
        }
    }
});

This will clear the current callback table, and set the new one, to register to existing table, use

danmu.Register("uenter", (msg) =>
{
    Debug.WriteLine($"用户进入 {msg["nn"]}");
});

The msg parameter is Newtonsoft.Json.Linq.JObject.