<Window x:Class="JoinerSplitter.InfoBox"
        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:JoinerSplitter"
        mc:Ignorable="d"
        Title="InfoBox" ResizeMode="NoResize" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" WindowStartupLocation="CenterOwner" SizeToContent="WidthAndHeight" ShowInTaskbar="False" WindowStyle="None">
    <Border Background="GhostWhite" BorderBrush="Gainsboro" BorderThickness="1">
        <TextBlock x:Name="TextBlock" TextWrapping="Wrap" Margin="10" />
    </Border>
</Window>