public void StopSearch()
{
foreach (var cts in SearchingTasksCts)
{
cts?.Cancel();
}
SearchingTasksCts.Clear();
}
public async Task <Task> TrySearchNextPageAsync()
{
var cts = new CancellationTokenSource(TimeSpan.FromSeconds(25));
var t = SearchNextPageAsync(cts.Token);
SearchingTasksCts.Add(cts);
try
{
await t;
}
catch (OperationCanceledException)
{
Extend.ShowMessage("搜索已取消");
}
catch (Exception ex)
{
Extend.ShowMessage(ex.Message, ex.ToString(), Extend.MessagePos.Window);
Extend.Log(ex.Message, ex.StackTrace);
}
SearchingTasksCts.Remove(cts);
return(t);
}