ShrlAlgoToolkit/Melskin/Controls/FlattenTextBox.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="/Melskin;component/Controls/TextBoxContextMenu.xaml" />
    </ResourceDictionary.MergedDictionaries>

    <Style x:Key="FlattenTextBoxStyle" TargetType="{x:Type TextBox}">
        <Setter Property="Background" Value="{DynamicResource ControlBackgroundNormalBrush}" />
        <Setter Property="BorderBrush" Value="Transparent" />
        <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="FontSize" Value="14" />
        <Setter Property="KeyboardNavigation.TabNavigation" Value="None" />
        <Setter Property="HorizontalContentAlignment" Value="Left" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="FocusVisualStyle" Value="{x:Null}" />
        <Setter Property="AllowDrop" Value="True" />
        <Setter Property="ScrollViewer.PanningMode" Value="VerticalFirst" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="ContextMenu" Value="{DynamicResource TextBoxContextMenu}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TextBox}">
                    <Border
                        x:Name="border"
                        Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        SnapsToDevicePixels="True">
                        <ScrollViewer
                            x:Name="PART_ContentHost"
                            Focusable="False"
                            HorizontalScrollBarVisibility="Hidden"
                            VerticalScrollBarVisibility="Hidden" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter TargetName="PART_ContentHost" Property="TextElement.Foreground" Value="{DynamicResource TextDisabledBrush}" />
                            <Setter Property="Background" Value="{DynamicResource ControlBackgroundDisabledBrush}" />
                            <Setter Property="Cursor" Value="None" />
                        </Trigger>

                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="border" Property="BorderBrush" Value="{DynamicResource PrimaryNormalBrush}" />
                        </Trigger>

                        <Trigger Property="IsKeyboardFocused" Value="True">
                            <Setter TargetName="border" Property="BorderBrush" Value="{DynamicResource PrimaryFocusedBrush}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>