Adding DynamicLexicalPatternGroup at runtime

 public PostSyntaxLanguage() :
            base("Mastercam Post Language")
        {
            // Create a classification type provider and register its classification types
            PostClassificationTypeProvider classificationTypeProvider = new PostClassificationTypeProvider();
            classificationTypeProvider.RegisterAll();

            ClassificationType systemClassificationType = new ClassificationType("System", "ClassificationType for system tokens");
            classificationTypeProvider.Registry.Register(systemClassificationType, new HighlightingStyle(System.Windows.Media.Brushes.Red));

            PostLexer postLexer = new PostLexer(classificationTypeProvider);

            foreach (DynamicLexicalState s in postLexer.LexicalStates)
            {
                switch (s.Key)
                {
                    case "Default":
                        
                        DynamicLexicalPatternGroup systemPatternGroup = new DynamicLexicalPatternGroup(DynamicLexicalPatternType.Explicit, "System", systemClassificationType);

                        systemPatternGroup.CaseSensitivity = ActiproSoftware.Text.CaseSensitivity.Sensitive;
                        
                        // Add some test data (TODO: pull in live list)
                        systemPatternGroup.Patterns.Add(new DynamicLexicalPattern("ToolTableDescription"));
                        systemPatternGroup.Patterns.Add(new DynamicLexicalPattern("ToolTableMillDiameter"));
                        systemPatternGroup.Patterns.Add(new DynamicLexicalPattern("PToolTableMillIteration"));
                        systemPatternGroup.Patterns.Add(new DynamicLexicalPattern("ToolTableLatheInsertName"));
                        systemPatternGroup.Patterns.Add(new DynamicLexicalPattern("ToolTableLatheInsertName"));

                        s.LexicalPatternGroups.Add(systemPatternGroup);
                        break;
                }
            }

            // Register an ILexer service that can tokenize text
            this.RegisterService<ILexer>(postLexer);

            // Register an ICodeDocumentTaggerProvider service that creates a token tagger for
            //   each document using the language
            this.RegisterService(new PostTokenTaggerProvider(classificationTypeProvider));
        }