Asynchronized loading data range form custom time to current time. You must wait for the end of the loading before requesting again.


SYNTAX


public bool BeginLoad (DateTime from)


PARAMETERS


from — DateTime

Use DateTime structure object to define date and time of start period.


RETURN


bool Returns true if history loading was started.


EXAMPLE


using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using PTLRuntime.NETScript;

namespace BeginLoadExamples
{
     public class BeginLoadExamples : NETStrategy
     {       
         public override void Init()
         {
             Instrument inst = Instruments.GetInstrument("/ES[U4]");
             HistoricalData Hist = GetHistoricalData(new HistoricalDataRequest(inst, Period.Min));
             DateTime date_from = DateTime.Today.AddMonths(-1);
             Hist.BeginLoad(date_from);
         }            
     }
}