public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            //Document Doc = commandData.Application.ActiveUIDocument.Document;
            ExternalDataWrapper          wrapper = new ExternalDataWrapper(commandData);
            FindAllFamilyInstanceManager findAllFamilyInstanceManager = new FindAllFamilyInstanceManager(wrapper);

            findAllFamilyInstanceManager.Excetal();
            return(Result.Succeeded);
        }
 public FindAllFamilyInstanceManager(ExternalDataWrapper wrapper)
 {
     Wrapper = wrapper;
 }