/// <summary> /// Register default LG file as language generation. /// </summary> /// <param name="botAdapter">The <see cref="BotAdapter"/> to add services to.</param> /// <param name="resourceExplorer">resource explorer to use for .lg based resources.</param> /// <param name="defaultLg">Default LG Resource Id (default: main.lg).</param> /// <returns>The BotAdapter.</returns> public static BotAdapter UseLanguageGeneration( this BotAdapter botAdapter, ResourceExplorer resourceExplorer = null, string defaultLg = null) { if (defaultLg == null) { defaultLg = "main.lg"; } if (resourceExplorer == null) { resourceExplorer = new ResourceExplorer(); } if (resourceExplorer.TryGetResource(defaultLg, out var resource)) { botAdapter.UseLanguageGeneration(resourceExplorer, new ResourceMultiLanguageGenerator(defaultLg)); } else { botAdapter.UseLanguageGeneration(resourceExplorer, new TemplateEngineLanguageGenerator()); } return(botAdapter); }