huadongmocaceshiyi/Themes/Generic.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:PLCDataMonitor">

    <Style TargetType="local:AlarmScrollingText">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="local:AlarmScrollingText">
                    <Border x:Name="PART_ClipBorder" 
                        Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        CornerRadius="4"
                        ClipToBounds="True"
                        Padding="5,5">
                        <ScrollViewer HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden">
                            <TextBlock x:Name="PART_TextBlock"
                                   Text="{TemplateBinding Text}"
                                   FontSize="14"
                                   FontWeight="Bold"
                                   Foreground="Red"
                                   TextWrapping="NoWrap"
                                   VerticalAlignment="Center"/>
                        </ScrollViewer>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>