System.Net.NetworkInformation.MibIPGlobalProperties.GetProperties4 C# (CSharp) Method

		StringDictionary GetProperties4 (string item)
		{
			string file = StatisticsFile;

			string head = item + ": ";
			using (StreamReader sr = new StreamReader (file, Encoding.ASCII)) {
				string [] keys = null;
				string [] values = null;
				string s = String.Empty;
				do {
					s = sr.ReadLine ();
					if (String.IsNullOrEmpty (s))
						continue;
					if (s.Length <= head.Length || String.CompareOrdinal (s, 0, head, 0, head.Length) != 0)
						continue;
					if (keys == null)
						keys = s.Substring (head.Length).Split (' ');
					else if (values != null)
						// hmm, there may be better error type...
						throw CreateException (file, String.Format ("Found duplicate line for values for the same item '{0}'", item));
					else {
						values = s.Substring (head.Length).Split (' ');
						break;
					}
				} while (!sr.EndOfStream);

				if (values == null)
					throw CreateException (file, String.Format ("No corresponding line was not found for '{0}'", item));
				if (keys.Length != values.Length)
					throw CreateException (file, String.Format ("The counts in the header line and the value line do not match for '{0}'", item));
				StringDictionary dic = new StringDictionary ();
				for (int i = 0; i < keys.Length; i++)
					dic [keys [i]] = values [i];
				return dic;
			}
		}