Get Candlesticks History about okex.net

[overstartup]

i found the solution

 long? before =null;
                long? after = null;
                for (int i = 1; i < 4; i++)
                { 
                    var result = client.GetCandlesticksHistory(symbolName, (OkexPeriod)interval, after  , before ,limit ); 
                    if (result.Success)
                    { 
                        foreach (var k in result.Data)
                        {
                            var n = new Quote()
                            {
                                Date = k.Time,
                                Open = k.Open,
                                Close = k.Close,
                                High = k.High,
                                Low = k.Low,
                                Volume = k.Close
                            };
                            allCandles.Add(n);
                        }
                        before = (long?)allCandles[allCandles.Count - 1].Date.ToUniversalTime().Subtract(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
                    } 
                }