BTool.DeviceFormUtils.HexStr2UserDefinedStr C# (CSharp) Method

        public string HexStr2UserDefinedStr(string msg, SharedAppObjs.StringType strType)
        {
            string str = string.Empty;
            try
            {
                if (msg == null)
                    return "";
                msg = msg.Trim();
                string[] strArray = msg.Split(m_sp_colon);
                uint num = 0U;
                if (strType == SharedAppObjs.StringType.HEX)
                    str = msg;
                else if (strType == SharedAppObjs.StringType.DEC)
                {
                    if (strArray.Length <= 4)
                    {
                        for (int index = 0; index < strArray.Length; ++index)
                            try
                            {
                                num += (uint)Convert.ToByte(strArray[index], 16) << (8 * index);
                            }
                            catch (Exception ex)
                            {
                                m_msgBox.UserMsgBox(SharedObjects.MainWin, MsgBox.MsgTypes.Error, string.Format("Cannot Convert The Value Into Decimal.\n\n{0}\n", ex.Message));
                            }
                        str = str + string.Format("{0:D} ", num);
                    }
                    else
                        m_msgBox.UserMsgBox(SharedObjects.MainWin, MsgBox.MsgTypes.Error, "Cannot Convert The Value Into Decimal.\n");
                }
                else if (strType == SharedAppObjs.StringType.ASCII)
                {
                    for (uint index = 0U; (long)index < (long)strArray.Length; ++index)
                        try
                        {
                            char ch = Convert.ToChar(Convert.ToByte(strArray[index], 16));
                            str = str + string.Format("{0:S} ", ch.ToString());
                        }
                        catch (Exception ex)
                        {
                            m_msgBox.UserMsgBox(SharedObjects.MainWin, MsgBox.MsgTypes.Error, string.Format("Can Not Convert The Value Into ASCII.\n\n{0}\n", ex.Message));
                        }
                }
                else
                    str = msg;
                return str.Trim();
            }
            catch
            {
                return str;
            }
        }