/// <summary>
/// Get marker for DataPoint
/// </summary>
/// <param name="chart"></param>
/// <param name="plotWidth"></param>
/// <param name="plotHeight"></param>
/// <param name="yPosition"></param>
/// <param name="dataPoint"></param>
/// <param name="isPositionTop"></param>
/// <returns></returns>
private static Marker GetMarkerForDataPoint(Chart chart, Double plotWidth, Double plotHeight, Double yPosition, DataPoint dataPoint, Boolean isPositionTop)
{
String labelText = (Boolean)dataPoint.LabelEnabled ? dataPoint.TextParser(dataPoint.LabelText) : "";
Boolean markerBevel = false;
Marker marker = dataPoint.Marker;
if (marker != null && marker.Visual != null)
{
Panel parent = marker.Visual.Parent as Panel;
if (parent != null)
{
parent.Children.Remove(marker.Visual);
}
}
dataPoint.Marker = new Marker((MarkerTypes)dataPoint.MarkerType,
(Double)dataPoint.MarkerScale,
new Size((Double)dataPoint.MarkerSize, (Double)dataPoint.MarkerSize),
markerBevel,
dataPoint.MarkerColor,
labelText);
LineChart.ApplyMarkerProperties(dataPoint);
if ((Boolean)dataPoint.LabelEnabled && !String.IsNullOrEmpty(labelText))
{
LineChart.ApplyLabelProperties(dataPoint);
if (!Double.IsNaN(dataPoint.LabelAngle) && dataPoint.LabelAngle != 0)
{
dataPoint.Marker.LabelAngle = dataPoint.LabelAngle;
dataPoint.Marker.TextOrientation = Orientation.Vertical;
SetPositionForDataPointLabel(chart, isPositionTop, dataPoint, yPosition);
dataPoint.Marker.LabelStyle = (LabelStyles)dataPoint.LabelStyle;
}
dataPoint.Marker.CreateVisual();
if (Double.IsNaN(dataPoint.LabelAngle) || dataPoint.LabelAngle == 0)
{
dataPoint.Marker.TextAlignmentX = AlignmentX.Center;
SetPositionForDataPointLabel(chart, isPositionTop, dataPoint, yPosition);
}
}
dataPoint.Marker.Control = chart;
dataPoint.Marker.Tag = new ElementData()
{
Element = dataPoint
};
dataPoint.Marker.CreateVisual();
dataPoint.Marker.Visual.Opacity = (Double)dataPoint.Opacity * (Double)dataPoint.Parent.Opacity;
LineChart.ApplyDefaultInteractivityForMarker(dataPoint);
ObservableObject.AttachEvents2Visual(dataPoint, dataPoint, dataPoint.Marker.Visual);
ObservableObject.AttachEvents2Visual(dataPoint.Parent, dataPoint, dataPoint.Marker.Visual);
dataPoint._parsedToolTipText = dataPoint.TextParser(dataPoint.ToolTipText);
dataPoint.AttachToolTip(chart, dataPoint, dataPoint.Marker.Visual);
dataPoint.AttachHref(chart, dataPoint.Marker.Visual, dataPoint.Href, (HrefTargets)dataPoint.HrefTarget);
dataPoint.SetCursor2DataPointVisualFaces();
return(dataPoint.Marker);
}
