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HeatmapToolTipOptions.Pattern Property

Gets or sets a format string that is applied to tooltip text.

Namespace: DevExpress.Xpf.Charts.Heatmap

Assembly: DevExpress.Xpf.Charts.v21.2.dll

Declaration

public string Pattern { get; set; }

Property Value

Type Description
String

A string that formats tooltip text. Default value: “X-Argument: {X}\nY-Argument: {Y}\nValue: {V}”

Property Paths

You can access this nested property as listed below:

Object Type Path to Pattern
HeatmapControl
.ToolTipOptions.Pattern

Remarks

Set the HeatmapControl.ToolTipEnabled property to true to enable tooltips.

Tooltip text patterns can comprise plain text and placeholders with format specifiers. The following table lists available placeholders:

Placeholder Description
{X} Displays a heatmap cell x-argument.
{Y} Displays a heatmap cell y-argument.
{V} Displays a heatmap cell value.

Example

The following example shows how to enable tooltips for heatmap cells and configure tooltip options:

Customized tooltip

<Window.Resources>
    <DataTemplate x:Key="tooltipTemplate">
        <StackPanel Orientation="Vertical" Margin="8">
            <Label Foreground="Black" 
                   FontStyle="Italic" 
                   FontSize="14" 
                   Content="{Binding Path=ToolTipText}" />
        </StackPanel>
    </DataTemplate>
</Window.Resources>
<Grid>
    <dxh:HeatmapControl ToolTipEnabled="True" 
                        ToolTipTemplate="{StaticResource ResourceKey=tooltipTemplate}">
        <dxh:HeatmapControl.ToolTipOptions>
            <dxh:HeatmapToolTipOptions ContentMargin="0" 
                                       Pattern="X: {X}&#x0a;Y: {Y}&#x0a;Value: {V}" 
                                       OpenMode="OnHover" 
                                       AutoPopDelay="00:00:03" 
                                       InitialDelay="00:00:00.1" 
                                       CloseOnClick="False"/>
        </dxh:HeatmapControl.ToolTipOptions>
        <!--...-->
    </dxh:HeatmapControl>
</Grid>
See Also