C#指针偏移详解与示例

        int iCount = 0;
        /// <summary>
        /// 消息体解包函数
        /// </summary>
        /// 
        unsafe public AuthResourceMsg GetAuthResourceMsg( byte[] AuthResourceInfo,int mp_iCount)
        {
            //iCount++;
            //if(iCount < 10)
            //    Console.Write("1+++++++++++++++++++++++++++++++++++" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffffff",DateTimeFormatInfo.InvariantInfo));
            //Console.WriteLine("{0}", .ToString(format, DateTimeFormatInfo.InvariantInfo));
            AuthResourceMsg CAuthResourceMsg = new AuthResourceMsg();

            //CAuthResourceMsg.MuId = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 0));
            //CAuthResourceMsg.GlbID = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 4));
            //CAuthResourceMsg.UpGlbID = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 8));
            //CAuthResourceMsg.ResoureType = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 12));
            //CAuthResourceMsg.Factory = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 16));
            //CAuthResourceMsg.ResoureAuth = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 20));

           // CAuthResourceMsg.MuId = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(AuthResourceInfo, CommandType.MsgHeadLen + 0));
            //(uint)(b[0] | b[1] << 8 |
   //b[2] << 16 | b[3] << 24);

            int iMuId,iGlbID,iUpGlbID,iResoureType,iFactory,iResoureAuth;
            unsafe
            {
                fixed (byte* pb = AuthResourceInfo)
                {
                    byte* pb1 = pb;