CyberX8/Framework/UICore/Control/PMCounterValueTextBox.xaml

<UserControl x:Class="MECF.Framework.UI.Core.Control.PMCounterValueTextBox"
             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" 
             xmlns:local="clr-namespace:MECF.Framework.UI.Core.Control"
             xmlns:converters="clr-namespace:MECF.Framework.UI.Core.Converters"
             mc:Ignorable="d" x:Name="self"
             d:DesignHeight="35" d:DesignWidth="200">
    <UserControl.Resources>
        <converters:NumberStringToBool x:Key="numberStringToBool"/>
        <converters:StringToVisibility x:Key="stringToVisibility"/>
        
        <Style TargetType="TextBox" x:Key="CustomStyle">
            <Style.Triggers>
                <DataTrigger Binding="{Binding  ElementName=self,Path=Value}" Value="Value">

                    <Setter Property="Background" Value="#FFDAE5F1"/>
                    <Setter Property="BorderThickness" Value="0"/>
                </DataTrigger>
            </Style.Triggers>
        </Style>
    </UserControl.Resources>
    <TextBox Name="txtInput" VerticalContentAlignment="Center"   
                 Text="{Binding ElementName=self,Path=Value,Mode=TwoWay}"
                 IsReadOnly="{Binding ElementName=self,Path=Value,Converter={StaticResource numberStringToBool}}"
                 PreviewTextInput="OnPreviewTextInput"
                 InputMethod.IsInputMethodEnabled="False"
                 KeyDown="TextBox_KeyDown"
                 Width="200" HorizontalAlignment="Center" HorizontalContentAlignment="Center" VerticalAlignment="Center"
                 Visibility="{Binding ElementName=self,Path=Value,Converter={StaticResource stringToVisibility}}"
                 LostFocus="TextBox_LostFocus"
                 Style="{StaticResource CustomStyle}"/>
</UserControl>