Chart for WinForms Task-Based Help / Creating a Marker
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Creating a Marker
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To create a marker for your label, complete the following:

To write code in Visual Basic

Visual Basic
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c1Chart1.ChartArea.AxisX.AnnoMethod = C1.Win.C1Chart.AnnotationMethodEnum.Mixed 
Dim vl As ValueLabel = c1Chart1.ChartArea.AxisX.ValueLabels.AddNewLabel() 
vl.Appearance = ValueLabelAppearanceEnum.TriangleMarker 
vl.MarkerSize = 50 
vl.Color = Color.Transparent 
vl.NumericValue = 2

To write code in C#

C#
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C1Chart1.ChartArea.AxisX.AnnoMethod = C1.Win.C1Chart.AnnotationMethodEnum.Mixed
 
Dim markerX As C1.Win.C1Chart.ValueLabel = C1Chart1.ChartArea.AxisX.ValueLabels.AddNewLabel()
markerX.NumericValue = 3
markerX.Moveable = True
markerX.MarkerSize = 15
markerX.GridLine = True
markerX.Color = Color.Blue
markerX.Appearance = C1.Win.C1Chart.ValueLabelAppearanceEnum.ArrowMarker
See Also