protected virtual Size ArrangeOverride(Size finalSize)
        {
            Size renderSize = new Size(0.0f, 0.0f);
            if (_measureBaseCallback != null)
            {
                _measureBaseCallback(swigCPtr, ref finalSize, ref renderSize);
            }
            return renderSize;
        }

    <Style TargetType="{x:Type TextBox}">
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="Padding" Value="3" />
        <Setter Property="MinHeight" Value="25" />
        <Setter Property="AllowDrop" Value="true" />
        <Setter Property="HorizontalContentAlignment" Value="Left" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Margin" Value="3" />
        <Setter Property="Foreground" Value="White" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Background" Value="#28000000" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TextBoxBase}">
                    <Border
                            x:Name="Border"
                            Background="{TemplateBinding Background}"
                            BorderBrush="Transparent"
                            BorderThickness="1"
                            SnapsToDevicePixels="True">
                        <ScrollViewer
                                x:Name="PART_ContentHost"
                                Margin="0"
                                VerticalScrollBarVisibility="Hidden" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource BlueAccentBrush}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>