public override bool IsVisibleOnChart(ChartControl chartControl, ChartScale chartScale, DateTime firstTimeOnChart, DateTime lastTimeOnChart)
{
if (DrawingState == DrawingState.Building)
{
return(true);
}
if (Mode == RegionHighlightMode.Time)
{
if (Anchors.Any(a => a.Time >= firstTimeOnChart && a.Time <= lastTimeOnChart))
{
return(true);
}
// check crossovers
if (StartAnchor.Time <= firstTimeOnChart && EndAnchor.Time >= lastTimeOnChart)
{
return(true);
}
if (EndAnchor.Time <= firstTimeOnChart && StartAnchor.Time >= lastTimeOnChart)
{
return(true);
}
return(false);
}
else
{
// check if active y range highlight is on scale or cross through
if (Anchors.Any(a => a.Price <= chartScale.MaxValue && a.Price >= chartScale.MinValue))
{
return(true);
}
return((StartAnchor.Price <= chartScale.MinValue && EndAnchor.Price >= chartScale.MaxValue) ||
(EndAnchor.Price <= chartScale.MinValue && StartAnchor.Price >= chartScale.MaxValue));
}
}
public override void OnCalculateMinMax()
{
// It is important to set MinValue and MaxValue to the min/max Y values your drawing tool uses if you want it to support auto scale
MinValue = double.MaxValue;
MaxValue = double.MinValue;
if (!IsVisible)
{
return;
}
// return min/max values only if something has been actually drawn
if (Anchors.Any(a => !a.IsEditing))
{
foreach (ChartAnchor anchor in Anchors)
{
if (anchor.DisplayName == RewardAnchor.DisplayName && !DrawTarget)
{
continue;
}
MinValue = Math.Min(anchor.Price, MinValue);
MaxValue = Math.Max(anchor.Price, MaxValue);
}
}
}
public override void OnCalculateMinMax()
{
MinValue = double.MaxValue;
MaxValue = double.MinValue;
if (!IsVisible)
{
return;
}
// return min/max values only if something has been actually drawn
if (Anchors.Any(a => !a.IsEditing))
{
foreach (ChartAnchor anchor in Anchors)
{
MinValue = Math.Min(anchor.Price, MinValue);
MaxValue = Math.Max(anchor.Price, MaxValue);
}
}
}
public override bool IsVisibleOnChart(ChartControl chartControl, ChartScale chartScale, DateTime firstTimeOnChart, DateTime lastTimeOnChart)
{
return(DrawingState == DrawingState.Building || Anchors.Any(a => a.Time >= firstTimeOnChart && a.Time <= lastTimeOnChart));
}