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How to customize the style of tooltip in WPF RichTextBox (SfRichTextBoxAdv) control?
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You can customize the visual appearance of tooltip in WPF RichTextBox (SfRichTextBoxAdv) control by defining custom style for ToolTip control based on your requirement.
The following code example demonstrates the custom style definition for ToolTip control.
XAML
<!-- Defines the custom style for tooltip. --> <Style x:Key="ToolTipStyle" TargetType="{x:Type ToolTip}"> <Setter Property="OverridesDefaultStyle" Value="True"/> <Setter Property="SnapsToDevicePixels" Value="True"/> <Setter Property="BorderThickness" Value="1"/> <Setter Property="BorderBrush" Value="#2D2D2D"/> <Setter Property="Background" Value="#000000" /> <Setter Property="Foreground" Value="#FFFFFF"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ToolTip}"> <Border x:Name="Root" CornerRadius="2" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}"> <ContentPresenter Margin="2" HorizontalAlignment="Center" VerticalAlignment="Top"/> </Border> <ControlTemplate.Triggers> <Trigger Property="IsOpen" Value="False"> <Setter TargetName="Root" Property="Visibility" Value="Collapsed"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <!-- Defines the customized tooltip. --> <ToolTip x:Key="CustomToolTip" Style="{StaticResource ToolTipStyle}"/>
The following code example demonstrates how to use the customized tooltip in SfRichTextBoxAdv control.
<!-- SfRichTextBoxAdv control with customized tool tip. --> <RichTextBoxAdv:SfRichTextBoxAdv x:Name="richTextBoxAdv" ToolTip="{StaticResource CustomToolTip}" xmlns:RichTextBoxAdv="clr-namespace:Syncfusion.Windows.Controls.RichTextBoxAdv;assembly=Syncfusion.SfRichTextBoxAdv.Wpf"/>