SpeakFriend.FileUpload.UploadedFileImage.UploadedFileName_FileChanged C# (CSharp) Method

        void UploadedFileName_FileChanged(object sender, EventArgs e)
        {
            if(File == null) return;

            EnsureChildControls();

            imgFileImage.AlternateText = File.Name;

            if (ThumbSize == 0)
                imgFileImage.ImageUrl = File.TempFilePathRelative;
            else
            {
                var thumb = UploadManager.ThumbGenerator.GetThumb(File, ThumbSize);
                if (thumb != null) imgFileImage.ImageUrl = thumb.ThumbPathRelative;
            }
        }