private async void Market_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Securities.Clear();
Boards.Clear();
Info = "";
History = new List <HistoryObject>();
FirePropertyChanged(nameof(Info));
FirePropertyChanged(nameof(History));
try
{
foreach (var item in
await Task <IEnumerable <Item> > .Run(() =>
{
return(new MarketSecuritiesListRequest(Engine.Value, Market.Value).Response.Securities.Data.Select(d =>
new Item
{
Name = $"{d["SECID"]}",
Value = d["SECID"],
Data = d
}).Distinct(new ItemEqvCmp()));
}))
{
Securities.Add(item);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
void Refresh()
{
try
{
Engines.Clear();
foreach (var item in new EnginesRequest().Response.Engines.Data.Select(d => new Item()
{
Name = d["title"],
Value = d["name"],
Data = d
}))
{
Engines.Add(item);
}
Markets.Clear();
Securities.Clear();
Boards.Clear();
Info = "";
History = new List <HistoryObject>();
FirePropertyChanged(nameof(Info));
FirePropertyChanged(nameof(History));
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error");
}
}
private void Engine_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
try
{
Markets.Clear();
foreach (var item in new MarketsRequest(Engine.Value).Response.Markets.Data.Select(d =>
new Item
{
Name = d["title"],
Value = d["NAME"],
Data = d
}
))
{
Markets.Add(item);
}
Securities.Clear();
Boards.Clear();
Info = "";
History = new List <HistoryObject>();
FirePropertyChanged(nameof(Info));
FirePropertyChanged(nameof(History));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
public void Stop()
{
IsStarted = false;
_session.MarketDataChanged -= MarketDataUpdate;
_session.HistoricMarketDataReceived -= SessionOnHistoricMarketDataReceived;
_session.EventStreamSessionDisconnected -= NotifySessionDisconnect;
_session.Logout(() => { }, FailureCallback);
lock (Securities)
{
Securities.Clear();
_securities.Clear();
}
lock (_originalHistoryRequestParameters)
_originalHistoryRequestParameters.Clear();
lock (_historyRequestHandlers)
_historyRequestHandlers.Clear();
lock (_subscribedSymbols)
_subscribedSymbols.Clear();
lock (_bidAskCache)
_bidAskCache.Clear();
try
{
_session.Stop();
_session = null;
}
catch (Exception ex)
{
Logger.Error("LMAX stop exception.", ex);
}
}
public override void Clear()
{
Fields.Clear();
Securities.Clear();
}