private async Task <int> FindCountAsync()
{
var firstPage = PageCache.FirstOrDefault(p => p != null);
var page = firstPage ?? await GetPageUncheckedAsync(0).ConfigureAwait(false);
return(page.NumPages);
}
/// <inheritdoc cref="CodeMonkeys.Navigation.INavigationService.Unregister{TViewModelInterface}" />
public void Unregister <TViewModel>()
where TViewModel : class, IViewModel
{
if (!IsRegistered(typeof(TViewModel)))
{
return;
}
var registrationInfo = NavigationRegistrations
.First(registration => registration.ViewModelType == typeof(TViewModel));
var cachedPage = PageCache.FirstOrDefault(
cache => cache.Type == registrationInfo.ViewType);
if (cachedPage != null)
{
PageCache.Remove(cachedPage);
}
NavigationRegistrations.Remove(registrationInfo);
Log?.Info($"Unregistered views from ViewModel of type {typeof(TViewModel).Name}.");
}