private void FillChart()
{
List <CandleDate> listCandles = new List <CandleDate>();
using (var reader = new StreamReader(Environment.CurrentDirectory + "\\wti_180.csv"))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
CandleDate cd = new CandleDate();
cd.dt = Convert.ToDateTime(values[0].Trim() + " " + values[1].Trim());
cd.open = Convert.ToDouble(values[2].Trim());
cd.high = Convert.ToDouble(values[3].Trim());
cd.low = Convert.ToDouble(values[4].Trim());
cd.close = Convert.ToDouble(values[5].Trim());
cd.volume = Convert.ToDouble(values[6].Trim());
listCandles.Add(cd);
}
}
listCandles.Reverse();
int blockSize = 100;
chart.Series[0].Points.Clear();
foreach (var dc in listCandles)
{
chart.Series[0].Points.AddXY(dc.dt, dc.high, dc.low, dc.open, dc.close);
}
var chartArea = chart.ChartAreas[chart.Series[0].ChartArea];
chartArea.AxisX.Minimum = 0;
chartArea.AxisX.Maximum = listCandles.Count;
chartArea.CursorX.AutoScroll = true;
chartArea.AxisX.ScaleView.Zoomable = true;
chartArea.AxisX.ScaleView.SizeType = DateTimeIntervalType.Number;
int position = listCandles.Count - blockSize;
int size = listCandles.Count;
chartArea.AxisX.ScaleView.Zoom(position, size + 1);
// disable zoom-reset button (only scrollbar's arrows are available)
chartArea.AxisX.ScrollBar.ButtonStyle = ScrollBarButtonStyles.All;
chartArea.AxisX.ScaleView.SmallScrollSize = 10;
chart_AxisViewChanged(chart, new ViewEventArgs(chartArea.AxisX, size + 1));
}
private List <CandleDate> findCandles(CandleDate candle, int findMinute, int findCount)
{
List <CandleDate> sourcesList = null;
List <CandleDate> findLists = new List <CandleDate>();
if (findMinute == 60)
{
sourcesList = listCandles60;
}
else if (findMinute == 120)
{
sourcesList = listCandles120;
}
else if (findMinute == 180)
{
sourcesList = listCandles180;
}
int idx = sourcesList.FindIndex(t => t.dt == candle.dt);
if (idx > findCount)
{
int findIndex = idx + 1;
int findLength = idx + findCount;
//for (int i = idx - findCount + 1; i <= idx; i++)
//{
// findLists.Add(sourcesList[i]);
//}
for (int i = findIndex; i <= findLength; i++)
{
if (sourcesList.Count > i)
{
findLists.Add(sourcesList[i]);
}
}
}
return(findLists);
}
private void btnLoad_Click(object sender, EventArgs e)
{
listCandles60.Clear();
using (var reader = new StreamReader(Environment.CurrentDirectory + "\\wti_60.csv"))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
CandleDate cd = new CandleDate();
cd.dt = Convert.ToDateTime(values[0].Trim() + " " + values[1].Trim());
cd.open = Convert.ToDouble(values[2].Trim());
cd.high = Convert.ToDouble(values[3].Trim());
cd.low = Convert.ToDouble(values[4].Trim());
cd.close = Convert.ToDouble(values[5].Trim());
cd.volume = Convert.ToDouble(values[6].Trim());
listCandles60.Add(cd);
}
}
listCandles120.Clear();
using (var reader = new StreamReader(Environment.CurrentDirectory + "\\wti_120.csv"))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
CandleDate cd = new CandleDate();
cd.dt = Convert.ToDateTime(values[0].Trim() + " " + values[1].Trim());
cd.open = Convert.ToDouble(values[2].Trim());
cd.high = Convert.ToDouble(values[3].Trim());
cd.low = Convert.ToDouble(values[4].Trim());
cd.close = Convert.ToDouble(values[5].Trim());
cd.volume = Convert.ToDouble(values[6].Trim());
listCandles120.Add(cd);
}
}
listCandles180.Clear();
using (var reader = new StreamReader(Environment.CurrentDirectory + "\\wti_180.csv"))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
CandleDate cd = new CandleDate();
cd.dt = Convert.ToDateTime(values[0].Trim() + " " + values[1].Trim());
cd.open = Convert.ToDouble(values[2].Trim());
cd.high = Convert.ToDouble(values[3].Trim());
cd.low = Convert.ToDouble(values[4].Trim());
cd.close = Convert.ToDouble(values[5].Trim());
cd.volume = Convert.ToDouble(values[6].Trim());
listCandles180.Add(cd);
}
}
listCandles60.Reverse();
listCandles120.Reverse();
listCandles180.Reverse();
}
