Fill the overline decoration with a linear gradient brush


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
     <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="OverLine" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Thickness="3">
                <Pen.Brush>
                  <LinearGradientBrush 
                    StartPoint="0,0.5"  EndPoint="1,0.5">
                    <LinearGradientBrush.GradientStops>
                      <GradientStop Color="LimeGreen" Offset="0" />
                      <GradientStop Color="Yellow" Offset="1" />
                    </LinearGradientBrush.GradientStops>
                  </LinearGradientBrush>
                </Pen.Brush>
              </Pen>
            </TextDecoration.Pen>
            </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>
  </StackPanel>
</Window>

   
     


Fill the underline decoration with a solid color brush


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="Underline" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Brush="Red" Thickness="1" />
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>
  </StackPanel>
</Window>

   
     


Fill the baseline decoration with a linear gradient brush


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="Baseline" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Thickness="3">
                <Pen.Brush>
                  <LinearGradientBrush Opacity="0.5"
                    StartPoint="0,0.5"  EndPoint="1,0.5">
                    <LinearGradientBrush.GradientStops>
                      <GradientStop Color="Orange" Offset="0" />
                      <GradientStop Color="Red" Offset="1" />
                    </LinearGradientBrush.GradientStops>
                  </LinearGradientBrush>
                </Pen.Brush>
              </Pen>
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>

  </StackPanel>
</Window>

   
     


Baseline decoration with dashes


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="Baseline" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Thickness="3">
                 <Pen.DashStyle>
                    <DashStyle Dashes="0.5, 3, 1, 2" />
                 </Pen.DashStyle>
                <Pen.Brush>
                  <LinearGradientBrush Opacity="0.5"
                    StartPoint="0,0.5"  EndPoint="1,0.5">
                    <LinearGradientBrush.GradientStops>
                      <GradientStop Color="Orange" Offset="0" />
                      <GradientStop Color="Red" Offset="1" />
                    </LinearGradientBrush.GradientStops>
                  </LinearGradientBrush>
                </Pen.Brush>
              </Pen>
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>

  </StackPanel>
</Window>

   
     


Overline decoration with dashes


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="OverLine" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Thickness="3">
                <Pen.Brush>
                  <LinearGradientBrush 
                    StartPoint="0,0.5"  EndPoint="1,0.5">
                    <LinearGradientBrush.GradientStops>
                      <GradientStop Color="LimeGreen" Offset="0" />
                      <GradientStop Color="Yellow" Offset="1" />
                    </LinearGradientBrush.GradientStops>
                  </LinearGradientBrush>
                </Pen.Brush>
                <Pen.DashStyle>
                   <DashStyle  Dashes="0.5, 3, 1, 2" />
                </Pen.DashStyle>
              </Pen>
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>

  </StackPanel>
</Window>

   
     


Strikethrough decoration with dashes


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="Strikethrough" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Brush="Blue" Thickness="1">
                 <Pen.DashStyle>
                    <DashStyle Dashes="1 2" />
                 </Pen.DashStyle>
              </Pen>
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>

  </StackPanel>
</Window>

   
     


Underline decoration with dashes


   
 

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="TextDecorationExample.Window1"
  Title="TextDecoration Example"
  Width="720"
  Height="400">
  <StackPanel>
      <TextBlock FontSize="24" Width="180" VerticalAlignment="Center">
        The lazy dog
        <TextBlock.TextDecorations>
          <TextDecoration Location="Underline" 
            PenThicknessUnit="FontRecommended">
            <TextDecoration.Pen>
              <Pen Brush="Red" Thickness="1">
                <Pen.DashStyle>
                  <DashStyle Dashes="5"/>
                </Pen.DashStyle>
              </Pen>
            </TextDecoration.Pen>
          </TextDecoration>
        </TextBlock.TextDecorations>
      </TextBlock>

  </StackPanel>
</Window>