Revit API注冊事件

start
 Autodesk.Revit.DB.Events;
[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
[Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
[Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]
  App : IExternalApplication
{
     Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application)
    {
        application.ControlledApplication.DocumentChanged +=  EventHandler<DocumentChangedEventArgs>(app_Doc_Change);

         Autodesk.Revit.UI.Result.Succeeded;
    }

     Autodesk.Revit.UI.Result OnShutdown(UIControlledApplication application)
    {
         Autodesk.Revit.UI.Result.Succeeded;
    }

      app_Doc_Change( sender, DocumentChangedEventArgs args)
    {
        Document doc = args.GetDocument();
        TaskDialog.Show(, doc.PathName);
    }
}end