ListView IconView Custom Item with buttons and text

public class GalleryItemView : IconListViewVisualItem
    { ...
 
 
protected override void CreateChildElements()
        {
            base.CreateChildElements();

            stack.Orientation = Orientation.Vertical;
            btnPanel.Margin = new Padding(0, 80, 0, 0);

            printBtnElem.Image = Image.FromFile(@"..\..\Resources\print-icon.png");
            printBtnElem.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageAboveText;
            printBtnElem.Click += printBtnElem_Click;

            delBtnElem.Image = Image.FromFile(@"..\..\Resources\delete-icon.png");
            delBtnElem.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageAboveText;
            delBtnElem.Click += delBtnElem_Click;

            titleElem.Margin = new Padding(8);
            titleElem.CustomFontSize = 18F;

            btnPanel.Children.Add(printBtnElem);
            btnPanel.Children.Add(delBtnElem);
            stack.Children.Add(btnPanel);
            stack.Children.Add(titleElem);
            this.Children.Add(stack);
        }

 private void radListViewGallery_VisualItemCreating(object sender, ListViewVisualItemCreatingEventArgs e)
        {
            if (this.radListViewGallery.ViewType == ListViewType.IconsView)
            {
                e.VisualItem = new GalleryItemView();
            }
        }

void radListViewGallery_VisualItemFormatting(object sender, Telerik.WinControls.UI.ListViewVisualItemEventArgs e)
        {
            e.VisualItem.DrawText = false;
            e.VisualItem.ImageLayout = ImageLayout.Zoom;
            e.VisualItem.ImageAlignment = ContentAlignment.MiddleCenter;
        }

        void radListViewGallery_ItemDataBound(object sender, Telerik.WinControls.UI.ListViewItemEventArgs e)
        {
            var databoundItem = e.Item.DataBoundItem as MyImageObject;
            e.Item.Image = databoundItem.Image;
            e.Item.Text = databoundItem.FilePath;
        }

 class MyImageObject
        {
            public Image Image { get; set; }
            public string FilePath { get; set; }
            public MyImageObject(Image img, string filePath)
            {
                this.Image = img;
                this.FilePath = filePath;
            }
        }

 private void RefreshFileList(string _filePath, FileFilterType _filterType)
        {
            List<String> fileList = new List<String>();
            if (_filterType == FileFilterType.All)
            {
                var extensionFilter = new String[] { "*.png", "*.bmp", "*.jpg", "*.mp4" };
                foreach (String extension in extensionFilter)
                {
                    String[] files = Directory.GetFiles(_filePath, extension, SearchOption.TopDirectoryOnly);
                    foreach (String file in files)
                        fileList.Add(file);
                }
            }

            if (_filterType == FileFilterType.Video) fileList = Directory.GetFiles(_filePath, "*.mp4", SearchOption.TopDirectoryOnly).ToList();

            if (_filterType == FileFilterType.Images)
            {
                var extensionFilter = new String[] { "*.png", "*.bmp", "*.jpg" };
                foreach (String extension in extensionFilter)
                {
                    String[] files = Directory.GetFiles(_filePath, extension, SearchOption.TopDirectoryOnly);
                    foreach (String file in files)
                        fileList.Add(file);
                }
            }

            imageList.Clear();
            foreach (var mediaFileName in fileList.OrderByDescending(f => f))
            {
                var fileNameLowCase = mediaFileName.ToLower();
                if (fileNameLowCase.Contains(".png") || fileNameLowCase.Contains(".bmp") || fileNameLowCase.Contains(".jpg"))
                {
                    var tempImage = Image.FromFile(fileNameLowCase);
                    Bitmap pic = new Bitmap(96, 64);
                    using (Graphics g = Graphics.FromImage(pic))
                    {
                        g.DrawImage(tempImage, new Rectangle(0, 0, pic.Width, pic.Height));
                    }
                    imageList.Add(new MyImageObject(pic, fileNameLowCase));
                    tempImage.Dispose();
                }
                if (fileNameLowCase.Contains(".mp4"))
                {
                    var thumb = getThumbnail(fileNameLowCase);
                    if (thumb == null)
                    {
                        Bitmap pic = new Bitmap(96, 64);
                        using (Graphics g = Graphics.FromImage(pic))
                        {
                            g.DrawImage(ICUSBCamera.Properties.Resources.play_button, new Rectangle(0, 0, pic.Width, pic.Height));
                        }
                        imageList.Add(new MyImageObject(pic, fileNameLowCase));
                    } else imageList.Add(new MyImageObject(thumb, fileNameLowCase));


                }
            }
            radListViewGallery.DataSource = imageList;
        }