private void SaveBackupMenuItem_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(CurrentTasMovie.Filename) ||
                CurrentTasMovie.Filename == DefaultTasProjName())
            {
                SaveAsTas(sender, e);
            }
            else
            {
                _autosaveTimer.Stop();
                GlobalWin.Sound.StopSound();
                MessageStatusLabel.Text = "Saving...";
                Cursor = Cursors.WaitCursor;
                Update();
                CurrentTasMovie.SaveBackup();
                if (Settings.AutosaveInterval > 0)
                {
                    _autosaveTimer.Start();
                }

                MessageStatusLabel.Text = "Backup .tasproj saved to \"Movie backups\" path.";
                Settings.RecentTas.Add(CurrentTasMovie.Filename);
                Cursor = Cursors.Default;
                GlobalWin.Sound.StartSound();
            }
        }