/// <summary>
/// Create an annotation shape and add it to the chart area. and return annotation.
/// </summary>
public Annotation AddAnnotationShape(string name, string text, PointF[] points, System.Drawing.Color?borderColor, System.Drawing.Color?fillColor, float lineWidth = 2, float opacity = 1, Charting.Base.AnnotationDrawingLayer drawingLayer = Charting.Base.AnnotationDrawingLayer.FrontOfSeriesAndAxisAndGrid, Charting.Base.FillPattern fillPattern = Charting.Base.FillPattern.Solid, float patternSize = 8, Axis Vertical_axis = null, Axis Horizontal_axis = null)
{
AnnotationPolygon annot;
annot = new AnnotationPolygon(this, points);
annotations.Add(annot);
annot.opacity = opacity;
annot.lineWidth = lineWidth;
annot.fillColor = fillColor;
annot.color = borderColor;
annot.DrawingLayer = drawingLayer;
annot.fillPattern = fillPattern;
annot.patternSize = patternSize;
annot.Initialize(device);
annot.horizontalAxis = Horizontal_axis;
annot.verticalAxis = Vertical_axis;
ReDrawLayer(drawingLayer);
annot.Name = name;
annot.Text = text;
return(annot);
}
/// <summary>
/// Create an annotation shape and add it to the chart area. and return annotation.
/// </summary>
public Annotation AddAnnotationShape(string name, string text, PointF topLeftPoint, PointF bottomRight, bool isRectangleAnnotation, System.Drawing.Color?borderColor, System.Drawing.Color?fillColor, float lineWidth = 2, float opacity = 1, Charting.Base.AnnotationDrawingLayer drawingLayer = Charting.Base.AnnotationDrawingLayer.FrontOfSeriesAndAxisAndGrid, Charting.Base.FillPattern fillPattern = Charting.Base.FillPattern.Solid, float patternSize = 8, Axis Vertical_axis = null, Axis Horizontal_axis = null)
{
AnnotationShape annot;
if (isRectangleAnnotation)
{
annot = new AnnotationRectangle(this);
}
else
{
annot = new AnnotationEllipse(this);
}
annotations.Add(annot);
annot.startValuePoint = topLeftPoint;
annot.endValuePoint = bottomRight;
annot.opacity = opacity;
annot.lineWidth = lineWidth;
annot.fillColor = fillColor;
annot.color = borderColor;
annot.DrawingLayer = drawingLayer;
annot.fillPattern = fillPattern;
annot.patternSize = patternSize;
annot.Initialize(device);
annot.horizontalAxis = Horizontal_axis;
annot.verticalAxis = Vertical_axis;
ReDrawLayer(drawingLayer);
annot.Name = name;
annot.Text = text;
return(annot);
}
