Crosshair Cursor

// The property below sets whether the Chart displays the Crosshair Cursor:
chartControl.CrosshairEnabled = DefaultBoolean.True;
// The following property manages whether the Crosshair Cursor displays specific series values:
chartControl.Series["DevAV North"].CrosshairEnabled = DefaultBoolean.False;

' The property below sets whether the Chart displays the Crosshair Cursor:
chartControl.CrosshairEnabled = DefaultBoolean.True
' The following property manages whether the Crosshair Cursor displays specific series values:
chartControl.Series("DevAV North").CrosshairEnabled = DefaultBoolean.False

using System.Windows.Forms;
using DevExpress.XtraCharts;

namespace ShowCrosshair {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
        }

        #region #ShowCrosshair
        private void OnChartMouseUp(object sender, MouseEventArgs e) {
            XYDiagram xyDiagram = chartControl.Diagram as XYDiagram;
            if(xyDiagram == null) return;

            xyDiagram.ShowCrosshair(e.Location);
        }
        #endregion #ShowCrosshair
    }
}

Imports System.Windows.Forms
Imports DevExpress.XtraCharts

Namespace ShowCrosshair

    Public Partial Class Form1
        Inherits Form

        Public Sub New()
            InitializeComponent()
        End Sub

#Region "#ShowCrosshair"
        Private Sub OnChartMouseUp(ByVal sender As Object, ByVal e As MouseEventArgs)
            Dim xyDiagram As XYDiagram = TryCast(chartControl.Diagram, XYDiagram)
            If xyDiagram Is Nothing Then Return
            xyDiagram.ShowCrosshair(e.Location)
        End Sub
#End Region  ' #ShowCrosshair
    End Class
End Namespace

private void simpleButton_Click(object sender, EventArgs e) {
    (chartControl1.Diagram as XYDiagram2D).ShowCrosshair(Point.Empty);
}

Private Sub simpleButton_Click(ByVal sender As Object, ByVal e As EventArgs)
    TryCast(chartControl1.Diagram, XYDiagram2D).ShowCrosshair(Point.Empty)
End Sub

chartControl.CrosshairOptions.ShowArgumentLine = true;
chartControl.CrosshairOptions.ShowArgumentLabels = false;
chartControl.CrosshairOptions.ShowValueLine = true;
chartControl.CrosshairOptions.ShowValueLabels = true;
chartControl.CrosshairOptions.ShowCrosshairLabels = true;
chartControl.CrosshairOptions.ShowGroupHeaders = false;
// An axis can hide the Crosshair Cursor's Axis Label that is displayed on this axis:
((XYDiagram)chartControl.Diagram).AxisY.CrosshairAxisLabelOptions.Visibility = DefaultBoolean.False;

chartControl.CrosshairOptions.ShowArgumentLine = Tue
chartControl.CrosshairOptions.ShowArgumentLabels = False
chartControl.CrosshairOptions.ShowValueLine = True
chartControl.CrosshairOptions.ShowValueLabels = False
chartControl.CrosshairOptions.ShowCrosshairLabels = True
chartControl.CrosshairOptions.ShowGroupHeaders = False
' An axis can hide the Crosshair Cursor's Axis Label that is displayed on this axis:
CType(chartControl.Diagram, XYDiagram).AxisY.CrosshairAxisLabelOptions.Visibility = DefaultBoolean.False

// The Crosshair Options contains a pattern specifying Crosshair Label Group Headers' texts:
chartControl.CrosshairOptions.GroupHeaderPattern = "{A:F0}";
// The Series' property formats the Crosshair element's text:
chartControl.SeriesTemplate.CrosshairLabelPattern = "{S}: {V:F2}";
// The axis provides a property formatting the Crosshair Axis Label's text:
((XYDiagram)chartControl.Diagram).AxisY.CrosshairAxisLabelOptions.Pattern = "{V:F1}";

' The Crosshair Options contain a pattern specifying Crosshair Label Group Headers' texts:
chartControl.CrosshairOptions.GroupHeaderPattern = "{A:F0}"
' The Series' property formats the Crosshair element's text:
chartControl.SeriesTemplate.CrosshairLabelPattern = "{V:F2}"
' The axis provides a property formatting the Crosshair Axis Label's text:
CType(chartControl.Diagram, XYDiagram)diagram.AxisY.CrosshairAxisLabelOptions.Pattern = "{V:F1}"

//Show crosshair axis lines and crosshair axis labels to see format values of crosshair labels 
chartControl1.CrosshairOptions.ShowArgumentLabels = true;
chartControl1.CrosshairOptions.ShowValueLabels = true;
chartControl1.CrosshairOptions.ShowValueLine = true;
chartControl1.CrosshairOptions.ShowArgumentLine = true;

// Specify the crosshair label pattern for both series.
series1.CrosshairLabelPattern = "{S} population: {V}";
series2.CrosshairLabelPattern = "{S} population: {V}";

// Specify the crosshair group header pattern.
chartControl1.CrosshairOptions.GroupHeaderPattern = "Year: {A}";

// Cast the chart's diagram to the XYDiagram type, to access its axes.
XYDiagram diagram = (XYDiagram)chartControl1.Diagram;

// Specify the crosshair axis labels pattern for X-axis.
diagram.AxisX.CrosshairAxisLabelOptions.Pattern = "Year: {A:F0}";

'Show crosshair axis lines and crosshair axis labels to see format values of crosshair labels 
chartControl1.CrosshairOptions.ShowArgumentLabels = True
chartControl1.CrosshairOptions.ShowValueLabels = True
chartControl1.CrosshairOptions.ShowValueLine = True
chartControl1.CrosshairOptions.ShowArgumentLine = True
' Specify the crosshair label pattern for both series.
series1.CrosshairLabelPattern = "{S} population: {V}"
series2.CrosshairLabelPattern = "{S} population: {V}"
' Specify the crosshair group header pattern.
chartControl1.CrosshairOptions.GroupHeaderPattern = "Year: {A}"
' Cast the chart's diagram to the XYDiagram type, to access its axes.
Dim diagram As XYDiagram = CType(chartControl1.Diagram, XYDiagram)
' Specify the crosshair axis labels pattern for X-axis.
diagram.AxisX.CrosshairAxisLabelOptions.Pattern = "Year: {A:F0}"

Color orangeColor = Color.FromArgb(247, 129, 25);
// Note that Argument Line Labels use this color by default.
chartControl.CrosshairOptions.ArgumentLineColor = orangeColor;
chartControl.CrosshairOptions.ShowValueLine = true;
chartControl.CrosshairOptions.ShowValueLabels = true;
// Note that Value Line Labels use this color by default.
chartControl.CrosshairOptions.ValueLineColor = orangeColor;
chartControl.CrosshairOptions.ValueLineStyle.DashStyle = DashStyle.Dash;
// The axis can customize the Crosshair label that is displayed on it.
((XYDiagram)chartControl.Diagram).AxisY.CrosshairAxisLabelOptions.BackColor = Color.Red;

chartControl.CrosshairOptions.CrosshairLabelBackColor = Color.FromArgb(63, 63, 63);
chartControl.CrosshairOptions.GroupHeaderTextOptions.TextColor = orangeColor;
chartControl.CrosshairOptions.CrosshairLabelTextOptions.TextColor = Color.White;
// The series can customize how its Crosshair element looks:
chartControl.Series["DevAV North"].CrosshairTextOptions.TextColor = orangeColor;

Color orangeColor = Color.FromArgb(247, 129, 25)
' Note that Argument Line Labels use this color by default.
chartControl.CrosshairOptions.ArgumentLineColor = orangeColor 
chartControl.CrosshairOptions.ShowValueLine = True
chartControl.CrosshairOptions.ShowValueLabels = True
' Note that Value Line Labels use this color by default.
chartControl.CrosshairOptions.ValueLineColor = orangeColor 
chartControl.CrosshairOptions.ValueLineStyle.DashStyle = DashStyle.Dash
' The axis can customize the Crosshair label that is displayed on it.
CType(chartControl.Diagram,XYDiagram).AxisY.CrosshairAxisLabelOptions.BackColor = Color.Red

chartControl.CrosshairOptions.CrosshairLabelBackColor = Color.FromArgb(63, 63, 63)
chartControl.CrosshairOptions.GroupHeaderTextOptions.TextColor = orangeColor
chartControl.CrosshairOptions.CrosshairLabelTextOptions.TextColor = Color.White
' The series can customize how its Crosshair element looks:
chartControl.Series("DevAV North").CrosshairTextOptions.TextColor = orangeColor

chartControl.CrosshairOptions.ShowOnlyInFocusedPane = false;

chartControl.CrosshairOptions.ShowOnlyInFocusedPane = False

chartControl.CrosshairOptions.HighlightPoints = false;
// Use the following series property to manage an individual series' point highlighting:
chartControl.Series["DevAV North"].CrosshairHighlightPoints = DefaultBoolean.True;

chartControl.CrosshairOptions.HighlightPoints = False
' Use the following series property to manage an individual series' point highlighting:
chartControl.Series("DevAV North").CrosshairHighlightPoints = DefaultBoolean.True

chartControl.CrosshairOptions.SnapMode = CrosshairSnapMode.NearestValue;

chartControl.CrosshairOptions.SnapMode = CrosshairSnapMode.NearestValue

chartControl.CrosshairOptions.ShowOutOfRangePoints = true;

chartControl.CrosshairOptions.ShowOutOfRangePoints = True

chartControl.CrosshairOptions.LinesMode = CrosshairLinesMode.Free;

chartControl.CrosshairOptions.LinesMode = CrosshairLinesMode.Free

chartControl.CrosshairOptions.ContentShowMode = CrosshairContentShowMode.Legend;
// Each series can configure where the Crosshair Cursor displays its element:
chartControl.Series["DevAV North"].CrosshairContentShowMode = CrosshairContentShowMode.Label;

chartControl.CrosshairOptions.ContentShowMode = CrosshairContentShowMode.Legend
' Each series can configure where the Crosshair Cursor displays its element:
chartControl.Series("DevAV North").CrosshairContentShowMode = CrosshairContentShowMode.Label

chartControl.CrosshairOptions.CrosshairLabelMode = CrosshairLabelMode.ShowForEachSeries;

chartControl.CrosshairOptions.CrosshairLabelMode = CrosshairLabelMode.ShowForEachSeries

chartControl.CrosshairOptions.CommonLabelPosition = new CrosshairFreePosition {
    DockTarget = ((XYDiagram)chartControl.Diagram).DefaultPane,
    DockCorner = DockCorner.RightTop,
    OffsetX = 16,
    OffsetY = 16
};

chartControl.CrosshairOptions.CommonLabelPosition = New CrosshairFreePosition With { _
    .DockTarget = CType(chartControl.Diagram, XYDiagram).DefaultPane, _
    .DockCorner = DockCorner.RightTop, _
    .OffsetX = 16, _
    .OffsetY = 16 _
}