add missing documentation.

src/Avalonia.Controls/ToggleSwitch.cs

@@ -8,31 +8,52 @@ using Avalonia.LogicalTree;
 namespace Avalonia.Controls
 {
     /// <summary>
-    /// A WinUi like ToggleSwitch control.
+    /// A Toggle Switch control.
     /// </summary>
-    /// 
-
     public class ToggleSwitch : ToggleButton
     {
+        static ToggleSwitch()
+        {
+            OffContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OffContentChanged(e));
+            OnContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OnContentChanged(e));
+        }
+
+        /// <summary>
+        /// Defines the <see cref="OffContent"/> property.
+        /// </summary>
         public static readonly StyledProperty<object> OffContentProperty =
-         AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OffContent), defaultValue:"Off");
+         AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OffContent), defaultValue: "Off");
 
+        /// <summary>
+        /// Defines the <see cref="OffContentTemplate"/> property.
+        /// </summary>
         public static readonly StyledProperty<IDataTemplate> OffContentTemplateProperty =
             AvaloniaProperty.Register<ToggleSwitch, IDataTemplate>(nameof(OffContentTemplate));
 
-
+        /// <summary>
+        /// Defines the <see cref="OnContent"/> property.
+        /// </summary>
         public static readonly StyledProperty<object> OnContentProperty =
-      AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OnContent), defaultValue: "On");
+            AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OnContent), defaultValue: "On");
 
+        /// <summary>
+        /// Defines the <see cref="OnContentTemplate"/> property.
+        /// </summary>
         public static readonly StyledProperty<IDataTemplate> OnContentTemplateProperty =
             AvaloniaProperty.Register<ToggleSwitch, IDataTemplate>(nameof(OnContentTemplate));
 
+        /// <summary>
+        /// Gets or Sets the Content that is displayed when in the On State.
+        /// </summary>
         public object OnContent
         {
             get { return GetValue(OnContentProperty); }
             set { SetValue(OnContentProperty, value); }
         }
 
+        /// <summary>
+        /// Gets or Sets the Content that is displayed when in the Off State.
+        /// </summary>
         public object OffContent
         {
             get { return GetValue(OffContentProperty); }
@@ -51,13 +72,18 @@ namespace Avalonia.Controls
             private set;
         }
 
-
+        /// <summary>
+        /// Gets or Sets the <see cref="IDataTemplate"/> used to display the <see cref="OffContent"/>.
+        /// </summary>
         public IDataTemplate OffContentTemplate
         {
             get { return GetValue(OffContentTemplateProperty); }
             set { SetValue(OffContentTemplateProperty, value); }
         }
 
+        /// <summary>
+        /// Gets or Sets the <see cref="IDataTemplate"/> used to display the <see cref="OnContent"/>.
+        /// </summary>
         public IDataTemplate OnContentTemplate
         {
             get { return GetValue(OnContentTemplateProperty); }
@@ -90,13 +116,6 @@ namespace Avalonia.Controls
             }
         }
 
-        static ToggleSwitch()
-        {
-            OffContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OffContentChanged(e));
-            OnContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OnContentChanged(e));
-        }
-
-
         protected override bool RegisterContentPresenter(IContentPresenter presenter)
         {
             var result = base.RegisterContentPresenter(presenter);
@@ -114,6 +133,6 @@ namespace Avalonia.Controls
 
             return result;
         }
-    }           
+    }
 }