ZeroTierOne/windows/WinUI/PreferencesView.xaml

<Window x:Class="WinUI.PreferencesView"
        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:WinUI"
        mc:Ignorable="d"
        Title="PreferencesView" SizeToContent="WidthAndHeight" Height="Auto" Width="Auto" Icon="ZeroTierIcon.ico">
    <Grid>
        <CheckBox x:Name="startupCheckbox" Content="Launch ZeroTier On Startup" HorizontalAlignment="Left" Margin="10,10,10,10" VerticalAlignment="Top" Checked="startupCheckbox_Checked" Unchecked="startupCheckbox_Unchecked"/>

    </Grid>
</Window>