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ToolTip not displayed inside Popup

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Marc-Andre
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Marc-Andre asked on 27 Apr 2012, 04:47 PM
Hi,

Using version 2012.1.326.40 of the DataVisualization control, the ToolTip is not displayed when the RadTimeline is inside a Popup. Mouse hovering over individual items works. Any ideas?

The code below illustrates my symptoms.

<Window x:Class="WpfApplication3.MainWindow"
        xmlns:example="clr-namespace:WpfApplication3"
        Title="MainWindow" Height="350" Width="525">
    <Window.DataContext>
        <example:ExampleViewModel />
    </Window.DataContext>
    <Grid>
         
        <Popup IsOpen="True" Width="800" Height="300">
        <telerik:RadTimeline Grid.Row="0"
                                 PeriodStart="{Binding StartDate, Mode=TwoWay}"
                                 PeriodEnd="{Binding EndDate, Mode=TwoWay}"
                                 VisiblePeriodStart="{Binding VisibleStartDate, Mode=TwoWay}"
                                 VisiblePeriodEnd="{Binding VisibleEndDate, Mode=TwoWay}"
                                 StartPath="StartDate"
                                 DurationPath="Duration"
                                 ToolTipPath="Details"
                                 ItemsSource="{Binding Data}">
            <telerik:RadTimeline.Intervals>
                <telerik:DayInterval />
                <telerik:YearInterval IntervalSpans="1,5" />
                <telerik:MonthInterval IntervalSpans="1,6" />
            </telerik:RadTimeline.Intervals>
        </telerik:RadTimeline>
 
        </Popup>
    </Grid>
</Window>
 

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Marc-Andre
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answered on 27 Apr 2012, 08:38 PM
For those lost souls struggling with this issue, a simple workaround is to use a template for the InstantItem or DurationItem such as this:

<Window.Resources>
        <DataTemplate x:Key="InstantItemTemplate">
            <Border>
                <Button Height="16"
                    Width="16"
                    HorizontalAlignment="Center"
                    VerticalAlignment="Center"
                    ToolTip="{Binding DataItem.Details}" Click="Button_Click" CommandParameter="{Binding DataItem}">
                </Button>
            </Border>
        </DataTemplate>
    </Window.Resources>
 
 
 <telerik:RadTimeline Grid.Row="0"
                                 PeriodStart="{Binding StartDate, Mode=TwoWay}"
                                 PeriodEnd="{Binding EndDate, Mode=TwoWay}"
                                 VisiblePeriodStart="{Binding VisibleStartDate, Mode=TwoWay}"
                                 VisiblePeriodEnd="{Binding VisibleEndDate, Mode=TwoWay}"
                                 StartPath="StartDate"
                                 DurationPath="Duration"
                                 TimelineInstantItemTemplate="{StaticResource InstantItemTemplate}"
                                 ItemsSource="{Binding Data}">
            <telerik:RadTimeline.Intervals>
                <telerik:DayInterval />
                <telerik:YearInterval IntervalSpans="1,5" />
                <telerik:MonthInterval IntervalSpans="1,6" />
            </telerik:RadTimeline.Intervals>
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