internal void GenerateOHLCData(NStockSeries s, double dPrevClose, int historicalDays)
{
DateTime now = DateTime.Now;
NTimeline timeline = m_Calendar.CreateTimeline(new NDateTimeRange(now, now + new TimeSpan(360, 0, 0, 0, 0)));
double open, high, low, close;
s.ClearDataPoints();
int numberOfWorkingDays = historicalDays;
if (ZoomModeDropDownList.SelectedIndex == 0)
{
numberOfWorkingDays += 7;
}
else
{
numberOfWorkingDays += 31;
}
for (; numberOfWorkingDays > 0; numberOfWorkingDays--)
{
open = dPrevClose;
if (dPrevClose < 25 || Random.NextDouble() > 0.5)
{
// upward price change
close = open + (2 + (Random.NextDouble() * 20));
high = close + (Random.NextDouble() * 10);
low = open - (Random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (Random.NextDouble() * 20));
high = open + (Random.NextDouble() * 10);
low = close - (Random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
s.XValues.Add(now.ToOADate());
// advance to next working day
now = timeline.AddTimeSpan(now, new NDateTimeSpan(1, NDateTimeUnit.Day));
}
}
private void GenerateData(NStockSeries s, NWorkCalendar calendar, double dPrevClose, int nCount)
{
DateTime now = DateTime.Now;
NTimeline timeline = calendar.CreateTimeline(new NDateTimeRange(now, now + new TimeSpan(730, 0, 0, 0, 0)));
double open, high, low, close;
s.ClearDataPoints();
Random random = new Random();
for (int nIndex = 0; nIndex < nCount; nIndex++)
{
open = dPrevClose;
if (dPrevClose < 25 || random.NextDouble() > 0.5)
{
// upward price change
close = open + (2 + (random.NextDouble() * 20));
high = close + (random.NextDouble() * 10);
low = open - (random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (random.NextDouble() * 20));
high = open + (random.NextDouble() * 10);
low = close - (random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
s.XValues.Add(now.ToOADate());
// advance to next working day
now = timeline.AddTimeSpan(now, new NDateTimeSpan(1, NDateTimeUnit.Day));
}
}