如何在.NET中连接USB网络摄像头？

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Net.Http;
using System.Numerics;
using Microsoft.Extensions.Configuration;
using Microsoft.OpenCV;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace MyProject
{
    static class VideoCapture
    {
        static VideoCapture()
        {
            using (var capture = new VideoCapture(0))
            {
                // 设置回调函数
                capture.ImageCaptured += new EventHandler<CvAsyncProcessEventArgs>
                (async (sender, args) =>
                {
                    var bitmap = new Bitmap(256, 256);
                    var img = new Image<Bgr, byte>(bitmap.Size);
                    img.SetResolution(bitmap.HorizontalResolution, bitmap.VerticalResolution);
                    await Task.Run(() =>
                    {
                        using (var mat = ((Image<Gray, byte>)sender).Mat)
                        {
                            var res = mat.Width * mat.Height, cols = mat.Width, rows = mat.Height;
                            for (int j = 0; j< rows; j++)
                            {
                                for (int i = 0; i< cols; i++)
                                {
                                    var idx = j * cols + i;
                                    var rgba = img.Data[i * img.Stride + j * 4];
                                    // var rgba = System.Convert.ToByte(mat.Data[i * mat.Stride + j * 4]);
                                    rgba = rgba.Reverse<byte>().ToArray();
                                    var ptr = rgba.WriteToArray();
                                    img.Data.Slice(2 * idx, 1).WriteToArrayArray(ptr);
                                }
                            }
                          await bitmap.SetPixel(0, 0, Color.FromArgb(ConvertToInt(mat.Data[0]), ConvertToInt(mat.Data[1]), ConvertToInt(mat.Data[2])));
                        }
                        var frame = bitmap as Bitmap;
                        // frame.Save(@"c:\temp\image.png");
                        frame.Save("test.jpg");
                    });
                    // frame.Save($"frame_{DateTime.Now:yyyy-MM-dd HH:mm:ss}.jpg");
                });
            }
        }
    }
}