ToolTipMousePosition Class
Specifies a tooltip position near the mouse pointer.
Namespace: DevExpress.Xpf.TreeMap
Assembly: DevExpress.Xpf.TreeMap.v19.1.dll
Declaration
Remarks
Use the ToolTipOptions.Position property to get access to the ToolTipMousePosition object.
To learn more on tooltips, see the Tooltips topic.
Example
The following properties allow you to customize TreeMap tooltips.
- TreeMapControl.ToolTipEnabled - specifies the value indicating whether tooltips are shown.
- TreeMapControl.ToolTipOptions - allows you to configure common tooltip options such as ToolTipOptions.Position, ToolTipOptions.OpenMode, ToolTipOptions.InitialDelay and ToolTipOptions.AutoPopDelay.
- TreeMapControl.ToolTipPattern - specifies a pattern for tooltip text of the leaf tree map items. This text will be stored by the ToolTipInfo.ToolTipText property.
- TreeMapControl.ToolTipGroupPattern - specifies a pattern for tooltip text of the group tree map items. This text will be stored by the TreeMapControl.ToolTipPattern property.
- TreeMapControl.ToolTipContentTemplate - specifies a data template for a leaf item tooltip’s content. Note that the content is represented by the ToolTipInfo object.
- TreeMapControl.ToolTipGroupContentTemplate - specifies a data template for a group item tooltip’s content. Note that the content is represented by the ToolTipInfo object.
- TreeMapControl.ToolTipTemplate - specifies a data template that allows you to change the appearance of tooltips.
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-customize-treemap-tooltips-t308914.
<Window.Resources>
<DataTemplate x:Key="tooltipContentTemplate">
<StackPanel Orientation="Vertical"
Margin="8">
<TextBlock Text="{Binding Item.Label}"
Foreground="White"
FontSize="24"/>
<TextBlock Text="{Binding Path=ToolTipText}"
Foreground="LightGray"/>
</StackPanel>
</DataTemplate>
<DataTemplate x:Key="tooltipTemplate">
<Grid>
<Border CornerRadius="8"
Background="#FF303030">
<ContentPresenter Content="{Binding}"
ContentTemplate="{Binding ContentTemplate}"/>
</Border>
</Grid>
</DataTemplate>
</Window.Resources>
<dxtm:TreeMapControl ToolTipEnabled="true"
ToolTipPattern="{}GDP: {V:C} millions"
ToolTipContentTemplate="{Binding Source={StaticResource tooltipContentTemplate}}"
ToolTipGroupPattern="{} Summary GDP: {V:C} millions"
ToolTipGroupContentTemplate="{Binding Source={StaticResource tooltipContentTemplate}}"
ToolTipTemplate="{Binding Source={StaticResource tooltipTemplate}}">
<dxtm:TreeMapControl.ToolTipOptions>
<dxtm:ToolTipOptions Position="{Binding ElementName=lbPosition, Path=SelectedValue}"
OpenMode="{Binding ElementName=lbOpenMode, Path=SelectedValue}">
</dxtm:ToolTipOptions>
</dxtm:TreeMapControl.ToolTipOptions>
</dxtm:TreeMapControl>
<ListBox Grid.Row="1"
x:Name="lbPosition"
DisplayMemberPath="PositionName"
SelectedValuePath="Position"
SelectedIndex="0">
<local:PositionWrapper PositionName="Mouse">
<dxtm:ToolTipMousePosition/>
</local:PositionWrapper>
<local:PositionWrapper PositionName="Relative">
<dxtm:ToolTipRelativePosition Origin="0.5 0"/>
</local:PositionWrapper>
</ListBox>
<ListBox Grid.Row="3"
x:Name="lbOpenMode"
DisplayMemberPath="OpenModeName"
SelectedValuePath="OpenMode"
SelectedIndex="0">
<local:OpenModeWrapper OpenModeName="On Hover"
OpenMode="OnHover"/>
<local:OpenModeWrapper OpenModeName="On Click"
OpenMode="OnClick"/>
</ListBox>
Related GitHub Examples
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ToolTipMousePosition class.
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.