From a912f03167aec9b04f6197b684efc7c3ee5ceb65 Mon Sep 17 00:00:00 2001
From: lindexi <lindexi_gd@163.com>
Date: Wed, 27 Dec 2017 16:32:02 +0800
Subject: [PATCH 1/2] add UserControl comment

---
 src/Avalonia.Controls/UserControl.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Avalonia.Controls/UserControl.cs b/src/Avalonia.Controls/UserControl.cs
index 7c9e591e31..e063a65e09 100644
--- a/src/Avalonia.Controls/UserControl.cs
+++ b/src/Avalonia.Controls/UserControl.cs
@@ -6,6 +6,9 @@ using Avalonia.Styling;
 
 namespace Avalonia.Controls
 {
+    /// <summary>
+    /// Provides the base class for defining a new control that encapsulates related existing controls and provides its own logic.
+    /// </summary>
     public class UserControl : ContentControl, IStyleable, INameScope
     {
         private readonly NameScope _nameScope = new NameScope();
@@ -24,6 +27,7 @@ namespace Avalonia.Controls
             remove { _nameScope.Unregistered -= value; }
         }
 
+        /// <inheritdoc/>
         Type IStyleable.StyleKey => typeof(ContentControl);
 
         /// <inheritdoc/>

From 78fa1dc17a424da1a5cb5a43432130a92bda6627 Mon Sep 17 00:00:00 2001
From: lindexi <lindexi_gd@163.com>
Date: Wed, 27 Dec 2017 16:59:02 +0800
Subject: [PATCH 2/2] add LayoutTransformControl comment

---
 src/Avalonia.Controls/LayoutTransformControl.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Avalonia.Controls/LayoutTransformControl.cs b/src/Avalonia.Controls/LayoutTransformControl.cs
index ed7a50d9b0..87e3853643 100644
--- a/src/Avalonia.Controls/LayoutTransformControl.cs
+++ b/src/Avalonia.Controls/LayoutTransformControl.cs
@@ -15,6 +15,9 @@ using System.Reactive.Linq;
 
 namespace Avalonia.Controls
 {
+    /// <summary>
+    /// Control that implements support for transformations as if applied by LayoutTransform.
+    /// </summary>
     public class LayoutTransformControl : ContentControl
     {
         public static readonly AvaloniaProperty<Transform> LayoutTransformProperty =
@@ -26,6 +29,9 @@ namespace Avalonia.Controls
                 .AddClassHandler<LayoutTransformControl>(x => x.OnLayoutTransformChanged);
         }
 
+        /// <summary>
+        /// Gets or sets a graphics transformation that should apply to this element when layout is performed.
+        /// </summary>
         public Transform LayoutTransform
         {
             get { return GetValue(LayoutTransformProperty); }