8damon-Blackbird-Platform/Client/host/Windows/OperatorStartupWindow.xaml

<Window x:Class="BlackbirdOperator.OperatorStartupWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title=""
        Height="276"
        Width="620"
        MinHeight="276"
        MinWidth="620"
        WindowStartupLocation="CenterScreen"
        WindowStyle="None"
        ResizeMode="NoResize"
        ShowInTaskbar="True"
        Background="{DynamicResource WinBgBrush}">
    <Border BorderBrush="{DynamicResource WinBorderBrush}" BorderThickness="1" Background="{DynamicResource WinBgBrush}">
        <Grid Margin="14" MouseLeftButtonDown="Root_MouseLeftButtonDown">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="12"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>

            <Grid Grid.Row="0">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                <TextBlock Text="Blackbird Operator"
                           FontSize="20"
                           FontWeight="SemiBold"
                           VerticalAlignment="Center"/>
                <Button Content="✕"
                        Grid.Column="1"
                        Width="22"
                        Height="20"
                        VerticalAlignment="Top"
                        Click="Cancel_Click"/>
            </Grid>

            <TextBlock Grid.Row="2"
                       Text="Network Startup"
                       FontSize="16"
                       FontWeight="SemiBold"/>

            <StackPanel Grid.Row="3" Margin="0,10,0,0">
                <TextBlock Foreground="{DynamicResource WinMutedTextBrush}"
                           Text="Choose which adapter and discovery mode the operator is allowed to use on this run."/>
                <TextBlock Text="Preferred Adapter" Foreground="{DynamicResource WinMutedTextBrush}" Margin="0,12,0,0"/>
                <ComboBox x:Name="AdapterCombo"
                          Margin="0,6,0,0"
                          TextSearch.TextPath="Summary"
                          SelectedValuePath="InterfaceId"
                          Style="{DynamicResource PaneFilterComboStyle}">
                    <ComboBox.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Summary}" />
                        </DataTemplate>
                    </ComboBox.ItemTemplate>
                </ComboBox>
            </StackPanel>

            <StackPanel Grid.Row="4" Margin="0,12,0,0">
                <CheckBox x:Name="PassiveDiscoveryCheckBox" Content="Enable passive discovery and broadcast probe" IsChecked="True"/>
                <CheckBox x:Name="ActiveProbeCheckBox" Content="Enable active local subnet probe on the selected adapter" Margin="0,8,0,0"/>
            </StackPanel>

            <UniformGrid Grid.Row="5" Columns="2" Margin="0,14,0,0">
                <Button Margin="0,0,8,0"
                        Content="Start Operator"
                        Height="34"
                        Background="{DynamicResource WinAccentBrush}"
                        BorderBrush="{DynamicResource InputHoverBorderBrush}"
                        Foreground="{DynamicResource WinTextBrush}"
                        Click="Start_Click"/>
                <Button Content="Cancel"
                        Height="34"
                        Click="Cancel_Click"/>
            </UniformGrid>
        </Grid>
    </Border>
</Window>