public void AddMarker(PlotMarker marker)
{
if (MarkerList == null)
{
MarkerList = new List <PlotMarker>();
}
MarkerList.Add(marker);
}
private void DrawMarker(Graphics g, PlotMarker marker)
{
using (Pen markerPen = new Pen(Color.Empty))
{
markerPen.Color = marker.Color;
markerPen.Width = marker.Thickness;
if (marker.Type == PlotMarkerType.HorizontalLine)
{
float yPlot = GetPixelYatY(marker.Level);
float xPlotStart = ownerControl.GetPixelXatX(marker.Start);
float xPlotEnd = ownerControl.GetPixelXatX(marker.End);
g.DrawLine(markerPen, xPlotStart, yPlot, xPlotEnd, yPlot);
}
else if (marker.Type == PlotMarkerType.VerticalLine)
{
float xPlot = ownerControl.GetPixelXatX(marker.Level);
float yPlotStart = GetPixelYatY(marker.Start);
float yPlotEnd = GetPixelYatY(marker.End);
g.DrawLine(markerPen, xPlot, yPlotStart, xPlot, yPlotEnd);
}
}
}
