Prevent an Animated GIF from Looping Forever in WinForms

AnimatedGif.cs

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;

namespace Example
{
    public partial class MyForm : Form
    {
        private Image _image;
        private bool _animating;
        private int _counter;
        private int _allFrames;

        public MyForm()
        {
            InitializeComponent();
            _image = Properties.Resources.SampleGif;
            pictureBox.Paint += pictureBox_Paint;
        }

        private void AnimateImage()
        {            
            if(_counter < _allFrames)
            {
                if (!_animating)
                {
                    ImageAnimator.Animate(_image, OnFrameChanged);
                    _animating = true;
                }
            }
            else
            {
                ImageAnimator.StopAnimate(_image, OnFrameChanged);
            }
            
        }

        private void OnFrameChanged(object sender, EventArgs e)
        {
            pictureBox.Invalidate();
        }

        private void pictureBox_Paint(object sender, PaintEventArgs e)
        {
            AnimateImage();
            ImageAnimator.UpdateFrames();
            e.Graphics.DrawImage(_image, Point.Empty);
            _counter++;
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            var dim = new FrameDimension(_image.FrameDimensionsList[0]);
            _allFrames = _image.GetFrameCount(dim);
        }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            base.OnFormClosing(e);

            if (!e.Cancel)
            {
                CleanUp();
            }
        }

        private void CleanUp()
        {
            if (_image != null)
            {
                if (_animating)
                {
                    ImageAnimator.StopAnimate(_image, OnFrameChanged);
                }

                _animating = false;
                _image.Dispose();
                _image = null;
            }
        }
    }
}