MARKUS

<UserControl x:Class="MarkupToPDF.Controls.Custom.CustomText"

             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:MarkupToPDF.Controls.Custom"

             mc:Ignorable="d" 

             d:DesignHeight="300" d:DesignWidth="300">

    <Grid>

        <TextBox x:Name="T_Box" Text="TEST">

            <TextBox.Template>

                <ControlTemplate TargetType="TextBox">

                    <Border Name="Bd" BorderThickness="{TemplateBinding BorderThickness}" 

                                             BorderBrush="{TemplateBinding BorderBrush}" 

                                             Background="{TemplateBinding Background}" 

                                             SnapsToDevicePixels="true">

                        <ScrollViewer Name="PART_ContentHost" Background="{TemplateBinding Background}" 

                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />

                    </Border>

                    <ControlTemplate.Triggers>

                        <Trigger Property="IsEnabled" Value="False">

                            <!--<Setter TargetName="PART_ContentHost" Property="Background" Value="Blue"/>-->

                            <Setter TargetName="PART_ContentHost" Property="Opacity" Value="1"/>

                        </Trigger>

                    </ControlTemplate.Triggers>

                </ControlTemplate>

                <!--<ControlTemplate TargetType="TextBox" x:Name="Custom_TB">

                    <ControlTemplate.Triggers>

                        <Trigger Property="IsEnabled" Value="False">

                            <Setter Property="Opacity" Value="1"></Setter>

                        </Trigger>

                        <Trigger Property="IsEnabled" Value="True">

                            <Setter Property="Opacity" Value="1"></Setter>

                        </Trigger>

                    </ControlTemplate.Triggers>

                </ControlTemplate>-->

            </TextBox.Template>

        </TextBox>

    </Grid>

</UserControl>