public static void GetRangeY(CurveItem curve, int fromId, int toId, ref ValueRange range)
{
if (curve.GetType() == typeof(JapaneseCandleStickItem))
{
GetRangeY((curve as JapaneseCandleStickItem), fromId, toId, ref range);
return;
}
if (curve.GetType() == typeof(LineItem))
{
GetRangeY((curve as LineItem), fromId, toId, ref range);
return;
}
if (curve.GetType() == typeof(BarItem))
{
GetRangeY((curve as BarItem), fromId, toId, ref range);
return;
}
if (curve.GetType() == typeof(StickItem))
{
GetRangeY((curve as StickItem), fromId, toId, ref range);
return;
}
}
private void UpdatePrice(int noOfUpdate, CurveItem curve)
{
this.ShowMessage("Update " + noOfUpdate.ToString());
IPointListEdit list = curve.Points as IPointListEdit;
int lastPos = list.Count - 1;
if (curve.GetType() == typeof(JapaneseCandleStickItem))
{
if (lastPos >= 0)
{
(list as StockPointList).RemoveAt(lastPos);
}
for (int idx = Math.Max(0, lastPos); idx < myData.DateTime.Count; idx++)
{
StockPt item = new StockPt(myData.DateTime[idx], myData.High.Values[idx], myData.Low.Values[idx],
myData.Open.Values[idx], myData.Close.Values[idx], myData.Volume.Values[idx]);
(list as StockPointList).Add(item);
}
}
else
{
if (lastPos >= 0)
{
(list as PointPairList).RemoveAt(lastPos);
}
for (int idx = Math.Max(0, lastPos); idx < myData.DateTime.Count; idx++)
{
PointPair item = new PointPair(myData.DateTime[idx], myData.Close.Values[idx]);
(list as PointPairList).Add(item);
}
}
}
/// <summary>
/// Returns a new instance of a <see cref="ICurveDataHandler"/> appropriate for the
/// <paramref name="curveItem"/>.
/// </summary>
public static ICurveDataHandler FindCurveHandler(CurveItem curveItem)
{
var handlerClass = curveItem.GetType().GetCustomAttributes(typeof(CurveDataHandlerAttribute), true)
.Cast <CurveDataHandlerAttribute>().Select(attribute => attribute.Class)
.FirstOrDefault() ??
((curveItem is HiLowBarItem) ? typeof(HiLowBarDataHandler) : typeof(CurveDataHandler));
var constructorInfo = handlerClass.GetConstructor(new Type[0]);
if (constructorInfo != null)
{
return((ICurveDataHandler)constructorInfo.Invoke(new object[0]));
}
return(null);
}
private void UpdateCurvePRICE(int noOfUpdate)
{
CurveItem curve = pricePanel.myGraphObj.myGraphPane.CurveList[pricePanel.Name];
IPointListEdit list = curve.Points as IPointListEdit;
int lastPos = list.Count - 1;
if (curve.GetType() == typeof(JapaneseCandleStickItem))
{
if (lastPos >= 0)
{
(list as StockPointList).RemoveAt(lastPos);
}
for (int idx = Math.Max(0, lastPos); idx < myData.DateTime.Count; idx++)
{
(list as StockPointList).Add(new StockPt(myData.DateTime[idx], myData.High.Values[idx], myData.Low.Values[idx],
myData.Open.Values[idx], myData.Close.Values[idx], myData.Volume.Values[idx]));
}
}
else
{
if (lastPos >= 0)
{
(list as PointPairList).RemoveAt(lastPos);
}
for (int idx = Math.Max(0, lastPos); idx < myData.DateTime.Count; idx++)
{
(list as PointPairList).Add(new PointPair(myData.DateTime[idx], myData.Close.Values[idx]));
}
}
//Only update chart when it is at the last view
if (pricePanel.myGraphObj.IsLastView())
{
pricePanel.myGraphObj.UpdateSeries();
pricePanel.myGraphObj.MoveToEnd();
}
pricePanel.myGraphObj.UpdateChart();
}
