public override DataSeries Create(int n)
{
HighLowOpenCloseSeries ds = new HighLowOpenCloseSeries();
Update(ds, n);
return(ds);
}
void NewData(object sender, RoutedEventArgs args)
{
int n = 20;
// price series
HighLowOpenCloseSeries hloc = (HighLowOpenCloseSeries)chart.Data.Children[0];
// volume series
XYDataSeries xyds = (XYDataSeries)chart.Data.Children[1];
DateTime[] x = new DateTime[n];
double[] hi = new double[n];
double[] lo = new double[n];
double[] op = new double[n];
double[] cl = new double[n];
double[] vals = new double[n];
DateTime dt = DateTime.Today;
for (int i = 0; i < n; i++)
{
x[i] = dt.AddDays(i);
if (i > 0)
{
op[i] = cl[i - 1];
}
else
{
op[i] = 1000;
}
hi[i] = op[i] + rnd.Next(50);
lo[i] = op[i] - rnd.Next(50);
cl[i] = rnd.Next((int)lo[i], (int)hi[i]);
vals[i] = rnd.Next(200);
}
hloc.ChartType = Price.SelectedIndex == 0 ? ChartType.HighLowOpenClose : ChartType.Candle;
hloc.XValuesSource = x;
hloc.ValuesSource = hi;
hloc.HighValuesSource = hi;
hloc.LowValuesSource = lo;
hloc.OpenValuesSource = op;
hloc.CloseValuesSource = cl;
xyds.ChartType = Vol.SelectedIndex == 0 ? ChartType.Column : ChartType.Area;
xyds.XValuesSource = x;
xyds.ValuesSource = vals;
chart.View.AxisX.Min = DateTime.Today.AddDays(-1).ToOADate();
chart.View.AxisX.Max = DateTime.Today.AddDays(20).ToOADate();
}
private void Price_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
if (chart != null)
{
HighLowOpenCloseSeries ds = (HighLowOpenCloseSeries)chart.Data.Children[0];
if (Price.SelectedIndex == 0)
{
ds.ChartType = ChartType.HighLowOpenClose;
}
else
{
ds.ChartType = ChartType.Candle;
}
}
}
public override void Update(DataSeries ads, int n)
{
HighLowOpenCloseSeries ds = (HighLowOpenCloseSeries)ads;
DateTime[] x = new DateTime[n];
double[] hi = new double[n];
double[] lo = new double[n];
double[] op = new double[n];
double[] cl = new double[n];
DateTime dt = DateTime.Today;
for (int i = 0; i < n; i++)
{
x[i] = dt.AddDays(i);
if (i > 0)
{
op[i] = cl[i - 1];
}
else
{
op[i] = 1000;
}
hi[i] = op[i] + rnd.Next(50);
lo[i] = op[i] - rnd.Next(50);
cl[i] = rnd.Next((int)lo[i], (int)hi[i]);
}
ds.XValuesSource = x;
ds.ValuesSource = hi;
ds.HighValuesSource = hi;
ds.LowValuesSource = lo;
ds.OpenValuesSource = op;
ds.CloseValuesSource = cl;
}
public override DataSeries Create(int n)
{
HighLowOpenCloseSeries ds = new HighLowOpenCloseSeries();
Update(ds, n);
return ds;
}
