public override int GetHashCode()
{
unchecked
{
return(base.GetHashCode()
+ (Frequency.ToUpper().GetHashCode() * 3)
+ (FacilityType.GetHashCode() * 3)
+ (VisualRange.GetHashCode() * 3)
+ (ATIS.ToUpper().GetHashCode() * 3)
+ (GetItemHashCode(ATISTime) * 3) * 17);
}
}
protected internal override void SetVisualRange(bool fresh)
{
if (Continual && LoadDone && fresh)
{
Lenght = (int)this.ActualWidth / 100;
int LocalMin = VisualRange.IndexOf(VisualRange.FirstOrDefault(d => Compare(
Nearest((DateTime)AxisX.ActualVisualRange.ActualMinValue), item2: d)));
int LocalMax = LocalMin + Lenght >= VisualRange.Count - 1 ? VisualRange.Count - 1 : LocalMin + Lenght;
if (MinIndex != LocalMin)
{
MinIndex = LocalMin;
if (MinIndex + Lenght <= VisualRange.Count - 1)
{
AxisX.ActualVisualRange.MinValue = VisualRange[MinIndex];
}
else if (LocalMax - Lenght >= 0)
{
AxisX.ActualVisualRange.MaxValue = VisualRange[VisualRange.Count - 1];
}
else
{
AxisX.ActualVisualRange.MinValue = VisualRange[0];
}
}
else if (MaxIndex != LocalMax)
{
MaxIndex = LocalMax;
if (LocalMin + Lenght <= VisualRange.Count - 1)
{
AxisX.ActualVisualRange.MaxValue = VisualRange[LocalMin + Lenght];
}
else if (MaxIndex - Lenght >= 0)
{
AxisX.ActualVisualRange.MinValue = VisualRange[MaxIndex - Lenght];
}
else
{
AxisX.ActualVisualRange.MaxValue = VisualRange[VisualRange.Count - 1];
}
}
}
}
// 日期变化，读取数据、绘分时图
private void dtPicker_ValueChanged(object sender, EventArgs e)
{
dtTick.Rows.Clear();
DataProcess dp = null;
try
{
dp = new DataProcess((String)cbInstrument.SelectedItem);
dp.SetDisplayTick(dtTick, dtPicker.Value.ToString("yyyyMMdd"));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
if (dtTick.Rows.Count > 0)
{
PubTools.FormTool.SetCustomLabel(chartControlTickVol, dp.drSegment);
// 需考虑均价的最大最小值
double maxprice = (double)dtTick.Compute("max(LastPrice)", "");
double minprice = (double)dtTick.Compute("min(LastPrice)", "");
WholeRange wr = (WholeRange)((XYDiagram)chartControlTick.Diagram).AxisY.WholeRange;
VisualRange vr = (VisualRange)((XYDiagram)chartControlTick.Diagram).AxisY.VisualRange;
wr.SetMinMaxValues(minprice, maxprice);
vr.SetMinMaxValues(minprice, maxprice);
// 设置持仓量坐标轴
long maxOpenInterest = (long)dtTick.Compute("max(OpenInterest)", "");
long minOpenInterest = (long)dtTick.Compute("min(OpenInterest)", "");
wr = (WholeRange)((XYDiagram)chartControlTickVol.Diagram).SecondaryAxesY[0].WholeRange;
vr = (VisualRange)((XYDiagram)chartControlTickVol.Diagram).SecondaryAxesY[0].VisualRange;
wr.SetMinMaxValues(minOpenInterest, maxOpenInterest);
vr.SetMinMaxValues(minOpenInterest, maxOpenInterest);
}
chartControlTick.Invalidate();
chartControlTickVol.Invalidate();
}
private DateTime Nearest(DateTime value) => VisualRange.OrderBy(vr => Greater(vr, value)).FirstOrDefault();