从byte*转换为byte []

using System;
using System.Runtime.InteropServices;

class Program
{
    static void Main()
    {
        int length = 10;
        byte* bytePtr = (byte*)Marshal.AllocHGlobal(length);
        for (int i = 0; i< length; i++)
        {
            bytePtr[i] = (byte)i;
        }

        byte[] byteArray = new byte[length];
        Marshal.Copy((IntPtr)bytePtr, byteArray, 0, length);

        for (int i = 0; i< length; i++)
        {
            Console.WriteLine(byteArray[i]);
        }

        Marshal.FreeHGlobal((IntPtr)bytePtr);
    }
}