Revit二次开发之“事务”Transaction

start

[Transaction(TransactionMode.Automatic)]
[Regeneration(RegenerationOption.Automatic)]
public class theTransaction : IExternalCommand
{
    public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
    {
        UIApplication uiApp = commandData.Application;
        Document doc = uiApp.ActiveUIDocument.Document;

        Transaction ts = new Transaction(doc, "事务");
        ts.Start();

        //添加代码，若有失败则回滚

        ts.Commit();

        return Result.Succeeded;
    }
}

end