ToolTipRelativePosition Class

Specifies a tooltip position depending on the tree map item arrangement for which this tooltip is invoked.

Assembly: DevExpress.Xpf.TreeMap.v23.2.dll

NuGet Package: DevExpress.Wpf.TreeMap

Declaration

C#
VB.NET

public class ToolTipRelativePosition :
    ToolTipPosition

Public Class ToolTipRelativePosition
    Inherits ToolTipPosition

Remarks

Use the ToolTipOptions.Position property to get access to the ToolTipRelativePosition object.

To learn more on tooltips, see the Tooltips topic.

Example

The following properties allow you to customize TreeMap tooltips:

ToolTipEnabled - indicates whether tooltips are displayed.
ToolTipOptions - allows you to configure common tooltip options: ToolTipOptions.Position, ToolTipOptions.OpenMode, ToolTipOptions.InitialDelay and ToolTipOptions.AutoPopDelay.
ToolTipPattern - specifies a tooltip text pattern for the leaf treemap items.
ToolTipGroupPattern - specifies a tooltip text pattern for the group treemap items.
ToolTipContentTemplate - specifies a data template for the leaf item tooltip’s content.
ToolTipGroupContentTemplate - specifies a data template for the group item tooltip’s content.
ToolTipTemplate - specifies a data template that allows you to change tooltip appearance.

MainWindow.xaml

<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>