ConfirmMessage.xaml

<Window x:Class="eBayKleinanzeigenTracker.ConfirmMessage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:WpfApp1"
    mc:Ignorable="d"
    ResizeMode="NoResize"
    Title=""  Width="400" Height="180"
    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
    TextElement.Foreground="{DynamicResource MaterialDesignBody}"
    Background="{DynamicResource MaterialDesignPaper}"
    TextElement.FontWeight="Medium"
    TextElement.FontSize="14"
    FontFamily="{materialDesign:MaterialDesignFont}" Icon="images/icon.ico">
    <Grid Margin="10,10">
        <Grid.RowDefinitions>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
        </Grid.RowDefinitions>

        <TextBlock TextWrapping="WrapWithOverflow" Grid.Row="0">Das Programm bleibt im Hintergrund geöffnet und ist als Icon in der Taskleiste auffindbar.</TextBlock>
        <CheckBox x:Name ="cbRepeat" Grid.Row="1" Content="Nicht mehr erinnern"/>
        <Button Grid.Row="2" Margin="0,10,0,0" Width="150" Content="Okay" Foreground="White" HorizontalAlignment="Right" Click="Button_Click"/>
    </Grid>
</Window>