C#string与byte数组转行

/// <summary>
        /// string[]-->buffer[]
        /// </summary>
        /// <param name="msg"></param>
        internal static Byte[] StringArrayToBufferArray(string[] array)
        {
            Byte[] buffer = new Byte[1024];
            using (MemoryStream stream = new MemoryStream())
            {
                using (BinaryWriter wr = new BinaryWriter(stream))
                {
                    for (Int32 i = 0; i < array.Length; i++)
                    {
                        wr.Write(array[i]);
                    }
                }
                //转换成字节数组，用于Socket发送
                buffer = stream.ToArray();
                return buffer;
            }
        }

        /// <summary>
        /// byte[]-->string[]
        /// </summary>
        /// <param name="buffer"></param>
        /// <param name="count">数组长度</param>
        /// <returns></returns>
        internal static String[] BufferArrayTOStringArray(Byte[] buffer, Int32 count)
        {
            List<String> list = new List<String>();
            using (MemoryStream stream = new MemoryStream(buffer))
            {
                using (BinaryReader rd = new BinaryReader(stream))
                {
                    try
                    {
                        while (stream.Position < stream.Length)
                        {
                            if (list.Count < count)
                            {
                                list.Add(rd.ReadString());
                            }
                            else
                            {
                                break;
                            }
                        }
                        rd.Close();
                    }
                    catch
                    {
                    }
                }
                String[] array = list.ToArray();
                return array;
            }
        }

        /// <summary>
        /// string->string[]
        /// </summary>
        /// <param name="strarry"></param>
        /// <returns></returns>
        internal static String StringArryToString(String[] strarry)
        {
            String str = String.Empty;
            for (Int32 i = 0; i < strarry.Length; i++)
            {
                str += strarry[i];
            }
            return str;
        }