C# Imaging - Freehand Line Annotation in C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using RasterEdge.Imaging.Annotation;
using System.Diagnostics;
using RasterEdge.Imaging.Annotation.Basic;

namespace RasterEdge.Imaging.Demo.Annotation
{
    public class FreehandLineAnnotationDemo
    { 
        /*
         * 
         * 
         *      SDK Dependency: 
         *              RasterEdge.Imaging.Annotation.dll
         * 
         * 
         */

        public static void Test()
        {
            try
            {
                FreeHandLineAnnotation obj = new FreeHandLineAnnotation();//create a new freehand line
                //set Track points
                obj.Points = new List<LinePoint>();
                obj.Points.Add(new LinePoint(30.0F, 34.0F));
                obj.Points.Add(new LinePoint(20.3F, 123.0F));
                obj.Points.Add(new LinePoint(134.0F, 32.0F));
                obj.Points.Add(new LinePoint(134.0F, 110.0F));

                //set line size
                obj.LinePen = new LinePen();
                obj.LinePen.Width = 3.0F;//set line width

                //set line property 
                obj.LinePen.Brush = new AnnotationBrush();
                obj.LinePen.Brush.FillType = RasterEdge.Imaging.Annotation.FillType.Solid;//set line style
                obj.LinePen.Brush.Solid_Color = Color.Blue;//set line color

                //when the track has Closed loop, set the Closed loop property as below
                obj.Fill = new AnnotationBrush();
                obj.Fill.FillType = RasterEdge.Imaging.Annotation.FillType.Solid;//set Closed loop style
                obj.Fill.Solid_Color = Color.Pink;//ser closed loop color

                string folderName = "C:/";
                Bitmap img = obj.CreateAnnotation();
                img.Save(folderName + "FreehandLineAnnotation.png");
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.Message);
            }
        }
    }
}