public async void DownloadBook(bool fullBook)
{
_busyOverlay.Closable = true;
_busyOverlay.Closing += GoBack;
await _busyOverlay.Start(false);
IsBusy = true;
if (!_downloadController.DownloadBook(CatalogBookItemModel, CatalogId, fullBook))
{
_busyOverlay.Stop();
_busyOverlay.Closing -= GoBack;
}
}
private void Cancel()
{
SharingDataModel.Cancel();
_busyOverlay.Closing -= Cancel;
_busyOverlay.Stop();
}