protected override void OnFormClosing(FormClosingEventArgs e)
{
_syncObj.Status = SyncLock.StatusValues.Closing;
TTSManager.Instance.ActiveEngine.EvtBookmarkReached -= ActiveEngine_EvtBookmarkReached;
PanelManager.Instance.EvtScannerShow -= Instance_EvtScannerShow;
base.OnFormClosing(e);
}