more complex test menu for tray icons.

samples/ControlCatalog/App.xaml

@@ -25,13 +25,22 @@
     <Style Selector="Label.h3">
       <Setter Property="FontSize" Value="12" />
     </Style>
-    <StyleInclude Source="/SideBar.xaml"/>
+    <StyleInclude Source="/SideBar.xaml" />
   </Application.Styles>
   <TrayIcon.TrayIcons>
     <TrayIcons>
       <TrayIcon Icon="/Assets/test_icon.ico" ToolTipText="Avalonia Tray Icon ToolTip">
         <NativeMenu.Menu>
           <NativeMenu>
+            <NativeMenuItem Header="Settings">
+              <NativeMenu>
+                <NativeMenuItem Header="Option 1" ToggleType="Radio" Command="{Binding ToggleCommand}" />
+                <NativeMenuItem Header="Option 2" ToggleType="Radio" Command="{Binding ToggleCommand}" />
+                <NativeMenuItemSeparator />
+                <NativeMenuItem Header="Option 3" ToggleType="CheckBox" Command="{Binding ToggleCommand}" />
+                <NativeMenuItem Icon="/Assets/test_icon.ico" Header="Restore Defaults" Command="{Binding ToggleCommand}" />
+              </NativeMenu>
+            </NativeMenuItem>
             <NativeMenuItem Header="Exit" Command="{Binding ExitCommand}" />
           </NativeMenu>
         </NativeMenu.Menu>

samples/ControlCatalog/ViewModels/ApplicationViewModel.cs

@@ -15,8 +15,12 @@ namespace ControlCatalog.ViewModels
                     lifetime.Shutdown();
                 }
             });
+            
+            ToggleCommand = MiniCommand.Create(() => { });
         }
 
         public MiniCommand ExitCommand { get; }
+        
+        public MiniCommand ToggleCommand { get; }
     }
 }