public static void AddWizardExtension(this IVsTemplate template, string templateExtensionFullTypeName) { Guard.NotNull(() => template, template); Guard.NotNullOrEmpty(() => templateExtensionFullTypeName, templateExtensionFullTypeName); var templateType = Type.GetType(templateExtensionFullTypeName, false, true); if (templateType != null) { template.AddWizardExtension(templateType); } }