LevelMark Class

[SerializableAttribute]
public sealed class LevelMark : DrawingObject, 
	IAxisAlignedBoundingBox, IObjectAlignedBoundingBox, IMovableRelative, IPlacing, IHasChildren, 
	IHideable

<SerializableAttribute>
Public NotInheritable Class LevelMark
	Inherits DrawingObject
	Implements IAxisAlignedBoundingBox, IObjectAlignedBoundingBox, IMovableRelative, IPlacing, 
	IHasChildren, IHideable

using Tekla.Structures.Drawing;
using Tekla.Structures.Drawing.UI;
using Tekla.Structures.Geometry3d;

namespace Example
{
    class Program
    {
        public static void LevelMarkModify()
        {
            DrawingHandler myDrawingHandler = new DrawingHandler();
            DrawingObjectSelector dos = myDrawingHandler.GetDrawingObjectSelector();
            DrawingObjectEnumerator allObjectsOnSheet = dos.GetSelected();
            while(allObjectsOnSheet.MoveNext())
            {
                if(allObjectsOnSheet.Current is Tekla.Structures.Drawing.LevelMark)
                {
                    LevelMark levelMark = allObjectsOnSheet.Current as Tekla.Structures.Drawing.LevelMark;
                    levelMark.Attributes.Font.Height = 5;
                    levelMark.Attributes.Font.Color = DrawingColors.Red;
                    levelMark.Attributes.Frame.Color = DrawingColors.Yellow;
                    levelMark.Attributes.Frame.Type = FrameTypes.Round;
                    bool res = levelMark.Modify();
                }
            }
        }
        public static LevelMark GetSelectedLevelMark()
        {
            DrawingHandler myDrawingHandler = new DrawingHandler();
            DrawingObjectSelector dos = myDrawingHandler.GetDrawingObjectSelector();
            DrawingObjectEnumerator allObjectsOnSheet = dos.GetSelected();
            while(allObjectsOnSheet.MoveNext())
            {
                if(allObjectsOnSheet.Current is Tekla.Structures.Drawing.LevelMark)
                {
                    LevelMark levelMark = allObjectsOnSheet.Current as Tekla.Structures.Drawing.LevelMark;
                    return levelMark;
                }
            }
            return null;
        }

        public static void LevelMarkCreateAsACopy()
        {
            var levelmark = GetSelectedLevelMark();
            levelmark.InsertionPoint.X += 100;
            levelmark.Insert();
        }
        public static void LevelMarkCreate()
        {
            DrawingHandler MyDrawingHandler = new DrawingHandler();
            var drawing1 = MyDrawingHandler.GetActiveDrawing();
            var sheet1 = drawing1.GetSheet();
            var allviews = sheet1.GetAllViews();
            foreach(var item in allviews)
            {
                ViewBase view = item as ViewBase;
                LeaderLinePlacing leaderLinePlacing = new LeaderLinePlacing(new Point(0000, 1000, 0));
                LevelMark levelMark = new LevelMark(view, new Point(1000, 2000, 0), leaderLinePlacing);
                levelMark.Attributes.Font.Height = 4.0;
                bool res = levelMark.Insert();
            }
        }
        static void Main(string[] args)
        {
            LevelMarkCreate();
            //LevelMarkCreateAsACopy();
            //LevelMarkModify();
            DrawingHandler myDrawingHandler = new DrawingHandler();
            myDrawingHandler.GetActiveDrawing().CommitChanges();
        }
    }
}