System.UriParser.OnRegister C# (CSharp) Method

        protected virtual void OnRegister(string schemeName, int defaultPort)
        {
        }

 private static void FetchSyntax(UriParser syntax, string lwrCaseSchemeName, int defaultPort)
 {
     if (syntax.SchemeName.Length != 0)
     {
         throw new InvalidOperationException(SR.GetString("net_uri_NeedFreshParser", new object[] { syntax.SchemeName }));
     }
     lock (m_Table)
     {
         syntax.m_Flags &= ~UriSyntaxFlags.V1_UnknownUri;
         UriParser parser = (UriParser)m_Table[lwrCaseSchemeName];
         if (parser != null)
         {
             throw new InvalidOperationException(SR.GetString("net_uri_AlreadyRegistered", new object[] { parser.SchemeName }));
         }
         parser = (UriParser)m_TempTable[syntax.SchemeName];
         if (parser != null)
         {
             lwrCaseSchemeName = parser.m_Scheme;
             m_TempTable.Remove(lwrCaseSchemeName);
         }
         syntax.OnRegister(lwrCaseSchemeName, defaultPort);
         syntax.m_Scheme = lwrCaseSchemeName;
         syntax.CheckSetIsSimpleFlag();
         syntax.m_Port = defaultPort;
         m_Table[syntax.SchemeName] = syntax;
     }
 }