using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

using System;

namespace HYJig
{
    [Regeneration(0)]
    [Transaction(TransactionMode.Manual)]
    public class PickPoint : IExternalCommand
    {
        public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
        {
            try
            {
                UIDocument activeUIDocument = cmdData.Application.ActiveUIDocument;
                ViewAssist.ViewValidating(activeUIDocument.Document, activeUIDocument.ActiveView);
                XYZ xyz = activeUIDocument.Selection.PickPoint("请选择第一点：");
                XYZ xyz2 = activeUIDocument.Selection.PickPoint(xyz, activeUIDocument, "请选择第二点：");
                Transaction transaction = new Transaction(activeUIDocument.Document);
                transaction.Start("CreateCurve");
                Line line = Line.CreateBound(xyz, xyz2);
                activeUIDocument.Document.Create.NewDetailCurve(activeUIDocument.ActiveView, line);
                transaction.Commit();
            }
            catch
            {
            }
            return 0;
        }
    }
}