private async Task <FetchRowsResult> FetchRows(int page, CancellationToken cancellationToken)
{
try
{
CancellationToken linkedToken = BackgroundOperation.Register(this, cancellationToken);
if (page == 1)
{
await Task.Delay(500);
}
List <T> result = await RunAsync(() => FetchPage.Invoke(page, linkedToken));
PageCount = result.Capacity;
PageSource.UpdateSummaries();
return(new FetchRowsResult(result.Cast <object>().ToArray()));
}
catch (TaskCanceledException)
{
return(new FetchRowsResult(new object[] { }));
}
finally
{
BackgroundOperation.UnRegister(this);
}
}
