private void AddLineAnnotation()
{
// create a line annotation
LineAnnotation annotation = new LineAnnotation();
// setup visual attributes
annotation.StartCap = LineAnchorCapStyle.Arrow;
annotation.EndCap = LineAnchorCapStyle.Arrow;
annotation.LineWidth = 3;
annotation.LineColor = Color.OrangeRed;
annotation.ShadowOffset = 2;
annotation.ClipToChartArea = "Default";
// prevent moving or selecting
annotation.AllowMoving = false;
annotation.AllowAnchorMoving = false;
annotation.AllowSelecting = false;
if (Chart1.Series[0].Points.Count > 10)
{
// Use the Anchor Method to anchor to points 8 and 10...
annotation.SetAnchor(Chart1.Series[0].Points[8], Chart1.Series[0].Points[10]);
}
// add the annotation to the collection
Chart1.Annotations.Add(annotation);
}
/// <summary>
/// AddLineAnnotation
/// </summary>
/// <param name="series"></param>
/// <param name="index"></param>
private void AddLineAnnotation(string series, int firstPoint, int secondPoint, Func <Color> coloring)
{
LineAnnotation annotation = new LineAnnotation();
annotation.SetAnchor(chartStrategy.Series[series].Points[firstPoint], chartStrategy.Series[series].Points[secondPoint]);
annotation.Height = 1;
annotation.Width = 1;
annotation.LineWidth = 1;
annotation.StartCap = LineAnchorCapStyle.Round;
annotation.EndCap = LineAnchorCapStyle.Round;
annotation.LineColor = coloring();
chartStrategy.Annotations.Add(annotation);
}
public void AddEntryToChart(ChartArea area, Series series, AnnotationCollection annotations, double y = 0)
{
if (Date == null)
{
throw new Exception();
}
var p1 = new DataPoint(Date.Value.AddDays(-1).ToOADate(), y);
var p2 = new DataPoint(GetEndDate.ToOADate(), y);
series.Points.Add(p1);
series.Points.Add(p2);
var line = new LineAnnotation
{
LineWidth = 10,
Height = 0,
LineColor = DrawColor ?? Color.Red,
ClipToChartArea = area.Name,
};
line.SetAnchor(p1, p2);
var callout = new CalloutAnnotation
{
Text = Note ?? "ERROR: NOT SET",
AnchorDataPoint = p1,
CalloutStyle = CalloutStyle.RoundedRectangle,
ForeColor = DrawColor ?? Color.Red,
LineColor = DrawColor ?? Color.Red,
//BackColor = Color.Transparent,
Font = new Font(FontFamily.GenericSansSerif, 8, FontStyle.Bold),
SmartLabelStyle = { IsMarkerOverlappingAllowed = true, AllowOutsidePlotArea = LabelOutsidePlotAreaStyle.Yes, MaxMovingDistance = 100, IsOverlappedHidden = false, MovingDirection = LabelAlignmentStyles.Bottom | LabelAlignmentStyles.BottomLeft | LabelAlignmentStyles.BottomRight },
AnchorAlignment = ContentAlignment.TopCenter,
ToolTip = (Note ?? "ERROR: NOT SET") + "\n(" + Date.Value.ToShortDateString() + " - " + GetEndDate.ToShortDateString() + ")",
Alignment = ContentAlignment.MiddleCenter
};
annotations.Add(line);
annotations.Add(callout);
}