BC_Logger_control.Form1.MineRegistryForPortName C# (CSharp) Method

        void MineRegistryForPortName(string strStartKey, Hashtable oTargetMap, string[] oPortNamesToMatch)
        {
            if (oTargetMap.Count >= oPortNamesToMatch.Length)
                return;
            RegistryKey oCurrentKey = Registry.LocalMachine;

            try
            {
                oCurrentKey = oCurrentKey.OpenSubKey(strStartKey);

                string[] oSubKeyNames = oCurrentKey.GetSubKeyNames();
                if (((IList<string>)oSubKeyNames).Contains("Device Parameters") && strStartKey != "SYSTEM\\CurrentControlSet\\Enum")
                {
                    object oPortNameValue = Registry.GetValue("HKEY_LOCAL_MACHINE\\" + strStartKey + "\\Device Parameters", "PortName", null);

                    if (oPortNameValue == null || ((IList<string>)oPortNamesToMatch).Contains(oPortNameValue.ToString()) == false)
                        return;
                    object oFriendlyName = Registry.GetValue("HKEY_LOCAL_MACHINE\\" + strStartKey, "FriendlyName", null);

                    string strFriendlyName = "N/A";

                    if (oFriendlyName != null)
                        strFriendlyName = oFriendlyName.ToString();
                    if (strFriendlyName.Contains(oPortNameValue.ToString()) == false)
                        strFriendlyName = string.Format("{0} ({1})", strFriendlyName, oPortNameValue);
                    oTargetMap[strFriendlyName] = oPortNameValue;
                }
                else
                {
                    foreach (string strSubKey in oSubKeyNames)
                        MineRegistryForPortName(strStartKey + "\\" + strSubKey, oTargetMap, oPortNamesToMatch);
                }
            }
            catch
            {

            }
        }