private void btnStart_Click(object sender, EventArgs e)
        {
            string mediaPath = txtMediaPath.Text;

            if (File.Exists(mediaPath) && File.Exists(FFmpegPath))
            {
                Options.LastVideoPath = mediaPath;

                pbProgress.Value   = 0;
                pbProgress.Maximum = Options.ThumbnailCount;
                pbProgress.Visible = true;
                btnStart.Visible   = false;

                new Thread(() =>
                {
                    List <VideoThumbnailInfo> thumbnails = null;

                    try
                    {
                        VideoThumbnailer thumbnailer = new VideoThumbnailer(mediaPath, FFmpegPath, Options);
                        thumbnailer.ProgressChanged += Thumbnailer_ProgressChanged;
                        thumbnails = thumbnailer.TakeThumbnails();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.ToString(), "ShareXYZ - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    finally
                    {
                        this.InvokeSafe(() =>
                        {
                            if (thumbnails != null)
                            {
                                OnThumbnailsTaken(thumbnails);
                            }

                            btnStart.Visible   = true;
                            pbProgress.Visible = false;
                        });
                    }
                }).Start();
            }
        }
        private void btnStart_Click(object sender, EventArgs e)
        {
            string mediaPath = txtMediaPath.Text;

            if (File.Exists(mediaPath) && File.Exists(FFmpegPath))
            {
                Options.LastVideoPath = mediaPath;

                pbProgress.Value = 0;
                pbProgress.Maximum = Options.ThumbnailCount;
                pbProgress.Visible = true;
                btnStart.Visible = false;

                new Thread(() =>
                {
                    List<VideoThumbnailInfo> thumbnails = null;

                    try
                    {
                        VideoThumbnailer thumbnailer = new VideoThumbnailer(mediaPath, FFmpegPath, Options);
                        thumbnailer.ProgressChanged += Thumbnailer_ProgressChanged;
                        thumbnails = thumbnailer.TakeThumbnails();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.ToString(), "ShareXYZ - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    finally
                    {
                        this.InvokeSafe(() =>
                        {
                            if (thumbnails != null)
                            {
                                OnThumbnailsTaken(thumbnails);
                            }

                            btnStart.Visible = true;
                            pbProgress.Visible = false;
                        });
                    }
                }).Start();
            }
        }