private async void LibraryInitializing_FinishedToUpgradeTo_Version_5(object sender, VersionChangeEventArgs e)
{
BookHashingService.Range = BookHashing.UpdateRange.IsAll;
await TaskManager.Enqueue(BookHashingService.GetTaskSequence());
}
public async Task UpdateBookFingerPrintStillNull()
{
BookHashingService.Range = BookHashing.UpdateRange.IsStillNull;
await TaskManager.Enqueue(BookHashingService.GetTaskSequence());
}
