Program.cs

static void Main(string[] args)
{
    var writer = new AForge.Video.VFW.AVIWriter();
    writer.Codec = "MSVC";
    writer.FrameRate = 15;
    writer.Open("out.avi", 800, 600); // 800x600

    writer.AddFrame(new System.Drawing.Bitmap(800, 600));

    writer.Close();
}