static void Main(string[] args) { ,,,}; ,,,}; IntPtr pt = Marshal.AllocHGlobal(a.Length); //从source数组的startIndex下标开始复制length个对象到ptr; Marshal.Copy(b,,pt+,b.Length); //从ptr复制length个对象到目标数组的,从目标数组的startIndex开始写入. Marshal.Copy((pt+),a,,); unsafe { byte*…