Add config.json.example to installation and UI for policy-managed settings

Co-authored-by: BornToBeRoot <16019165+BornToBeRoot@users.noreply.github.com>

Author: Copilot

Source/NETworkManager/NETworkManager.csproj

@@ -46,6 +46,7 @@
     </PropertyGroup>
     <ItemGroup>
         <None Remove="log4net.config" />
+        <None Remove="config.json.example" />
         <None Remove="NETworkManager.ico" />
         <None Remove="SplashScreen.png" />
         <None Include="..\.editorconfig" Link=".editorconfig" />
@@ -57,6 +58,9 @@
         <Content Include="log4net.config">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </Content>
+        <Content Include="config.json.example">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
     </ItemGroup>
     <ItemGroup>
         <PackageReference Include="AirspaceFixer" Version="1.0.6" />

Source/NETworkManager/ViewModels/SettingsUpdateViewModel.cs

@@ -26,6 +26,11 @@ public bool CheckForUpdatesAtStartup
         }
     }
 
+    /// <summary>
+    ///     Gets whether the "Check for updates at startup" setting is managed by system-wide policy.
+    /// </summary>
+    public bool IsUpdateCheckManagedByPolicy => PolicyManager.Current?.Update_DisableUpdateCheck.HasValue == true;
+
     private bool _checkForPreReleases;
 
     public bool CheckForPreReleases

Source/NETworkManager/Views/SettingsUpdateView.xaml

@@ -6,13 +6,19 @@
              xmlns:mah="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
              xmlns:localization="clr-namespace:NETworkManager.Localization.Resources;assembly=NETworkManager.Localization"
              xmlns:viewModels="clr-namespace:NETworkManager.ViewModels"
+             xmlns:converters="clr-namespace:NETworkManager.Converters;assembly=NETworkManager.Converters"
              mc:Ignorable="d" d:DataContext="{d:DesignInstance viewModels:SettingsUpdateViewModel}">
+    <UserControl.Resources>
+        <converters:BooleanReverseConverter x:Key="BooleanReverseConverter" />
+        <converters:BooleanToVisibilityCollapsedConverter x:Key="BooleanToVisibilityCollapsedConverter" />
+    </UserControl.Resources>
     <StackPanel>
         <TextBlock Style="{StaticResource HeaderTextBlock}"
                    Text="{x:Static localization:Strings.Update}" />
         <StackPanel Orientation="Horizontal" Margin="0,0,0,10">
             <mah:ToggleSwitch Header="{x:Static localization:Strings.CheckForUpdatesAtStartup}"
-                              IsOn="{Binding CheckForUpdatesAtStartup}" />
+                              IsOn="{Binding CheckForUpdatesAtStartup}"
+                              IsEnabled="{Binding IsUpdateCheckManagedByPolicy, Converter={StaticResource BooleanReverseConverter}}" />
             <Rectangle Width="24" Height="24"
                        VerticalAlignment="Top"
                        ToolTip="{x:Static localization:Strings.HelpMessage_CheckForUpdatesAtStartup}"
@@ -24,6 +30,10 @@
                 </Rectangle.Resources>
             </Rectangle>
         </StackPanel>
+        <TextBlock Text="This setting is managed by your administrator."
+                   Foreground="Orange"
+                   Margin="0,0,0,10"
+                   Visibility="{Binding IsUpdateCheckManagedByPolicy, Converter={StaticResource BooleanToVisibilityCollapsedConverter}}" />
         <mah:ToggleSwitch Header="{x:Static localization:Strings.CheckForPreReleases}"
                           IsOn="{Binding CheckForPreReleases}"
                           Margin="0,0,0,20" />

Source/NETworkManager/config.json.example

@@ -0,0 +1,3 @@
+{
+  "Update_DisableUpdateCheck": true
+}