Hello James,
Here is the default style for the Tooltips in the "Office Black" theme:
<SolidColorBrush x:Key="ToolTip2DForeground" Color="Black" />
<Thickness x:Key="ToolTip2DPadding">1</Thickness>
<LinearGradientBrush x:Key="ToolTip2DBackground" EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="White" Offset="0"/>
<GradientStop Color="#FFDEDEDE" Offset="1"/>
</LinearGradientBrush>
<SolidColorBrush x:Key="ToolTip2DOuterBorder" Color="Transparent" />
<Thickness x:Key="ToolTip2DOuterBorderThickness">0</Thickness>
<mscorlib:Double x:Key="ToolTip2DOuterBorderOpacity">0</mscorlib:Double>
<CornerRadius x:Key="ToolTip2DOuterCornerRadius">0</CornerRadius>
<SolidColorBrush x:Key="ToolTip2DInnerBorder" Color="#FF848484" />
<Thickness x:Key="ToolTip2DInnerBorderThickness">1</Thickness>
<CornerRadius x:Key="ToolTip2DInnerCornerRadius">3</CornerRadius>
<Style TargetType="charting:ItemToolTip2D" >
<Setter Property="BorderThickness" Value="{StaticResource ToolTip2DOuterBorderThickness}" />
<Setter Property="InnerBorderThickness" Value="{StaticResource ToolTip2DInnerBorderThickness}" />
<Setter Property="BorderBrush" Value="{StaticResource ToolTip2DOuterBorder}" />
<Setter Property="InnerBorderBrush" Value="{StaticResource ToolTip2DInnerBorder}" />
<Setter Property="Foreground" Value="{StaticResource ToolTip2DForeground}" />
<Setter Property="Background" Value="{StaticResource ToolTip2DBackground}" />
<Setter Property="BorderOpacity" Value="{StaticResource ToolTip2DOuterBorderOpacity}" />
<Setter Property="Padding" Value="{StaticResource ToolTip2DPadding}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="charting:ItemToolTip2D">
<charting:ClipPanel>
<Border x:Name="ToolTipBorder"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="{StaticResource ToolTip2DOuterCornerRadius}"
BorderBrush="{TemplateBinding BorderBrush}"
Opacity="{TemplateBinding BorderOpacity}">
<Border
BorderThickness="{TemplateBinding InnerBorderThickness}"
CornerRadius="{StaticResource ToolTip2DInnerCornerRadius}"
BorderBrush="{TemplateBinding InnerBorderBrush}"
Background="{TemplateBinding Background}"
Padding="{TemplateBinding Padding}">
<ContentControl Content="{TemplateBinding Content}" Foreground="{TemplateBinding Foreground}" />
</Border>
<Border.Triggers>
<EventTrigger RoutedEvent="Border.Loaded">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard >
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.6" Storyboard.TargetName="ToolTipBorder" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.6" Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</Border.Triggers>
</Border>
</charting:ClipPanel>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
In your project you can set a CustomTooltip style in your resources as follows:
and apply it in your code-behind:
where series1 is your Line series.
Sincerely yours,
Sia
the Telerik team
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