Revit 二次开发 事务

学习地址：https://www.bilibili.com/video/BV1mf4y1S72o?p=9

本章内容

• 事务类型
• 事务开始、提交、回滚
• 事务容错处理

事务类型

事务开始、提交、回滚

事务容错处理

实例练习

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB;
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using System.Windows.Forms;
using Autodesk.Revit.UI.Selection;

namespace RevitDevTV
{
    /// <summary>
    /// 事务练习
    /// </summary>
    [TransactionAttribute(TransactionMode.Manual)]
    [RegenerationAttribute(RegenerationOption.Manual)]
    public class Trans : IExternalCommand
    {
        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            UIDocument uiDoc = commandData.Application.ActiveUIDocument;
            Document doc = uiDoc.Document;
            TransactionGroup tg = new TransactionGroup(doc, "TG");
            tg.Start(); //开启事务
            Transaction t1 = new Transaction(doc, "T1");
            t1.Start(); //开启事务
            Wall.Create(doc, Line.CreateBound(new XYZ(), new XYZ(0, 10, 0)), Level.Create(doc, 0).Id, false);
            t1.Commit();
            TaskDialog.Show("提示", "已生成第一道墙");
            Transaction t2 = new Transaction(doc, "T2");
            t2.Start(); //开启事务
            Wall.Create(doc, Line.CreateBound(new XYZ(), new XYZ(0, 10, 0)), Level.Create(doc, 0).Id, false);
            t2.Commit();
            tg.Assimilate();
            //tg.Commit();
            Transaction tt = new Transaction(doc,"Transaction");
            tt.Start();
            SubTransaction st1 = new SubTransaction(doc);
            st1.Start();
            SubTransaction st2 = new SubTransaction(doc);
            st2.Start();
            st2.Commit();
            TaskDialog.Show("提示", "t2已提交");
            st1.Commit();
            TaskDialog.Show("提示", "t1已提交");
            tt.Commit();
            return Result.Succeeded;
        }
    }
}