XYDiagram2D.ShowCrosshair(Point) Method

Shows the Crosshair Cursor at the point with the specified coordinates related to the top-left corner of the chart.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v19.1.dll

Declaration

C#

public void ShowCrosshair(
    Point screenPoint
)

VB.NET

Public Sub ShowCrosshair(
    screenPoint As Point
)

Parameters

Name	Type	Description
screenPoint	Point	The screen point at which the cursor should be shown.

Example

This example demonstrates how to show the Crosshair Cursor programmatically on mouse up. The XYDiagram2D.ShowCrosshair method is used to show the Crosshair Cursor.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-show-the-crosshair-cursor-programmatically-t466164.

MainWindow.xaml.cs

private void OnChartControlMouseUp(object sender, MouseButtonEventArgs e) {
    XYDiagram2D xyDiagram = chartControl.Diagram as XYDiagram2D;
    if (xyDiagram == null) return;

    xyDiagram.ShowCrosshair(e.GetPosition(chartControl));
}

MainWindow.xaml.vb

Private Sub OnChartControlMouseUp(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
    Dim xyDiagram As XYDiagram2D = TryCast(chartControl.Diagram, XYDiagram2D)
    If xyDiagram Is Nothing Then
        Return
    End If

    xyDiagram.ShowCrosshair(e.GetPosition(chartControl))
End Sub

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ShowCrosshair(Point) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-show-the-crosshair-cursor-programmatically-t466164/CS/ShowCrosshairExample/MainWindow.xaml.cs#L16

    xyDiagram.ShowCrosshair(e.GetPosition(chartControl));
}