SeriesPoint.ToolTipHint Property

Gets or sets the data that represents the content (text, image, etc.) of the tooltip's hint for a series point.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v20.1.dll

Declaration

public object ToolTipHint { get; set; }
Public Property ToolTipHint As Object

Property Value

Type Description
Object

A Object value that is the content of the tooltip's hint.

Examples

This example shows how to add an image to a series points' tooltip, and format the tooltip text.

Markup:

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:SeriesPointTooltip"
        xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/charts" 
        x:Class="SeriesPointTooltip.MainWindow"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800" Loaded="Window_Loaded">
    <Grid>
        <dxc:ChartControl CrosshairEnabled="False" 
                          ToolTipEnabled="True">
            <dxc:XYDiagram2D>
                <dxc:BarSideBySideSeries2D x:Name="series" DisplayName="Series" >
                    <dxc:BarSideBySideSeries2D.ToolTipPointTemplate>
                        <DataTemplate>
                            <StackPanel>
                                <Image Source="{Binding Hint.Image}"/>
                                <Label Content="{Binding Hint.Text}"/>                                
                            </StackPanel>
                        </DataTemplate>
                    </dxc:BarSideBySideSeries2D.ToolTipPointTemplate>
                </dxc:BarSideBySideSeries2D>
            </dxc:XYDiagram2D>
        </dxc:ChartControl>
    </Grid>
</Window>

Code-Behind:

using DevExpress.Xpf.Charts;
using System;
using System.Windows;
using System.Windows.Media.Imaging;

namespace SeriesPointTooltip {
    public partial class MainWindow : Window {
        int PointsCount = 10;
        public MainWindow() {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e) {
            Random rand = new Random();
            BitmapImage image = new BitmapImage(new Uri(@"..\..\Images\image1.png", UriKind.RelativeOrAbsolute));

            for (int i = 1; i <= PointsCount; i++) {
                int value = rand.Next(5, 20);
                series.Points.Add(new SeriesPoint {
                    NumericalArgument = i,
                    Value = value,
                    ToolTipHint = new {
                        Text = $"Argument: {i}{Environment.NewLine}Value: {value}",
                        Image = image
                    }
                });
            }
        }
    }
}
See Also