OperationSortObjectsByPresentationOrder Method

public static bool SortObjectsByPresentationOrder(
	IList<DrawingObject> objects,
	out List<DrawingObject> objectsByPresentationOrder
)

Public Shared Function SortObjectsByPresentationOrder ( 
	objects As IList(Of DrawingObject),
	<OutAttribute> ByRef objectsByPresentationOrder As List(Of DrawingObject)
) As Boolean

using System;
using System.Collections.Generic;
using Tekla.Structures.Geometry3d;
using Tekla.Structures.Drawing;
using TSD = Tekla.Structures.Drawing;

class Example
{
    public void MergeMarksTest()
    {
        DrawingHandler drawingHandler = new DrawingHandler();

        var drawing = drawingHandler.GetActiveDrawing();
        if (drawing != null)
        {
            List<DrawingObject> drawingObjects = new List<DrawingObject>();

            // pick marks to be merged
            ViewBase pickedView;
            DrawingObject drawingObject;
            var picker = drawingHandler.GetPicker();
            bool continuePicking = true;
            while (continuePicking)
            {
                try
                {
                    var message = "Pick object " + (drawingObjects.Count + 1).ToString() + " layer to be asked. Press Esc to finish..";
                    picker.PickObject(message, out drawingObject, out pickedView);
                    if (drawingObject == null || pickedView == null || !(drawingObject is DrawingObject))
                        continuePicking = false;
                    else
                        drawingObjects.Add(drawingObject as DrawingObject);
                }
                catch
                {
                    continuePicking = false;
                }
            }

            if (drawingObjects.Count > 1)
            {
                List<DrawingObject> sortedObjects = new List<DrawingObject>();
                TSD.Operations.Operation.SortObjectsByPresentationOrder(drawingObjects, out sortedObjects);
                if (layers.Count > 0)
                {
                    Console.WriteLine("SortObjectsByPresentationOrder operation successful with " + layers.Count.ToString() + " layers..");
                }
                else
                {
                    Console.WriteLine("SortObjectsByPresentationOrder operation failed..");
                }
            }
        }
    }
}