maui-linux/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue4040.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
			 xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
			 x:Class="Xamarin.Forms.Controls.Issues.Issue4040">
    <StackLayout Padding="50, 100">

        <Switch x:Name="swtch"/>

        <Label>
          <Label.FormattedText>
            <FormattedString>
              <Span Text="Using 'FormattedText' Property"/>
            </FormattedString>
          </Label.FormattedText>
          <Label.Triggers>
            <DataTrigger TargetType="Label"
                         Binding="{Binding IsToggled, Source={x:Reference swtch}}"
                         Value="True">
              <Setter Property="TextColor" Value="Red" />
              <Setter Property="BackgroundColor" Value="Pink" />
            </DataTrigger>
          </Label.Triggers>
        </Label>

        <Label Text="Using 'Text' Property">
          <Label.Triggers>
            <DataTrigger TargetType="Label"
                         Binding="{Binding IsToggled, Source={x:Reference swtch}}"
                         Value="True">
              <Setter Property="TextColor" Value="Red" />
              <Setter Property="BackgroundColor" Value="Pink" />
            </DataTrigger>
          </Label.Triggers>
        </Label>

    </StackLayout>
</ContentPage>