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Customize the Tooltips for TimeLine Containers

The different types of RadGanttView tasks have different tooltip contents as demonstrated in figures 1-3.

Figure 1: Event Container Tooltip

Event Container Tooltip

Figure 2: Summary Container Tooltip

Summary Container Tooltip

Figure 3: Milestone Container Tooltip

Milestone Container Tooltip

In order to modify these tooltips, you will need to predefine the ToolTipTemplate of the containers for each RadGanttView task type. Example 1 shows a sample DataTemplate for the tooltips.

Example 1: Sample Tooltip Template

<DataTemplate x:Key="CustomToolTipTemplate">
    <Grid Margin="2">
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition Width="" MinWidth="130"/>
        <TextBlock Text="{Binding Title}" Grid.ColumnSpan="2" Margin="0" TextWrapping="NoWrap" TextTrimming="None"/>
        <TextBlock telerik:LocalizationManager.ResourceKey="Start" Grid.Row="1" Margin="0 0 3 0"/>
        <TextBlock Text="{Binding Start, StringFormat='M/dd/yyyy'}" Grid.Row="1" Grid.Column="1" TextWrapping="NoWrap" TextTrimming="None"/>
        <TextBlock telerik:LocalizationManager.ResourceKey="End" Grid.Row="2" Margin="0 0 3 0"/>
        <TextBlock Text="{Binding End, StringFormat='M/dd/yyyy'}" Grid.Row="2" Grid.Column="1" TextWrapping="NoWrap" TextTrimming="None"/>

You should then set this template for each of the containers as demonstrated in **Example 2*.

Example 2: Set ToolTipTemplate

<Style TargetType="telerik:EventContainer">
    <Setter Property="ToolTipTemplate" Value="{StaticResource CustomToolTipTemplate}"/>
<Style TargetType="telerik:SummaryContainer">
    <Setter Property="ToolTipTemplate" Value="{StaticResource CustomToolTipTemplate}"/>
<Style TargetType="telerik:MilestoneContainer">
    <Setter Property="ToolTipTemplate" Value="{StaticResource CustomToolTipTemplate}"/>

If you're using Implicit styles, you should base the styles on EventContainerStyle, SummaryContainerStyle and MilestoneContainerStyle respectively.

Figure 4 shows the appearance of the final custom tooltips.

Figure 4: Custom Container Tooltip

Custom Container Tooltip

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