ELK/FrameworkLocal/UICore/DeviceControl/AITBarcodeTextBox.xaml

<UserControl x:Class="Aitex.Core.UI.DeviceControl.AITBarcodeTextBox"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             mc:Ignorable="d" d:DesignHeight="35" d:DesignWidth="300" x:Name="self">
    <Grid HorizontalAlignment="Stretch" Margin="0">
        <TextBox Foreground="White" FontSize="30"  AcceptsReturn="True" InputMethod.PreferredImeState="Off" 
InputMethod.IsInputMethodEnabled="False" Text="{Binding ElementName=self, Path=BarcodeText}" TextChanged="TextBoxBase_OnTextChanged"  PreviewTextInput="UIElement_OnPreviewTextInput" TabIndex="0" BorderThickness="1" Margin="0" Padding="0" HorizontalAlignment="Stretch" TextAlignment="Center" VerticalContentAlignment="Center"  >
            <TextBox.Background>
                <ImageBrush  Stretch="Fill" x:Name="BarcodeBrushName" Opacity="0.1" AlignmentX="Center" AlignmentY="Center">
                    <ImageBrush.ImageSource>
                        <BitmapImage UriSource="/MECF.Framework.Common;component/Resources/barcode.png"/>
                    </ImageBrush.ImageSource>
                </ImageBrush>
            </TextBox.Background>

            <TextBox.Triggers>
 
                <EventTrigger RoutedEvent="TextBox.GotFocus">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation  Storyboard.TargetName="BarcodeBrushName" Storyboard.TargetProperty="Opacity" AutoReverse="True" RepeatBehavior="Forever"
                  From="0" To="0.3" Duration="0:0:0.5" />
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
                <EventTrigger RoutedEvent="TextBox.LostFocus">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation  Storyboard.TargetName="BarcodeBrushName" Storyboard.TargetProperty="Opacity" AutoReverse="False" From="0.3" To="0.1" Duration="0:0:0.1" />
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </TextBox.Triggers>
 
        </TextBox>
    </Grid>
</UserControl>