From b68c417f37fc717888c2994bdb466993b4e1b534 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Wed, 10 Feb 2016 21:44:22 +0100
Subject: [PATCH] Expose logical tree events on IControl.

---
 src/Perspex.Controls/IControl.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Perspex.Controls/IControl.cs b/src/Perspex.Controls/IControl.cs
index 0e65c599be..a76fda9c01 100644
--- a/src/Perspex.Controls/IControl.cs
+++ b/src/Perspex.Controls/IControl.cs
@@ -1,6 +1,7 @@
 // Copyright (c) The Perspex Project. All rights reserved.
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
+using System;
 using Perspex.Controls.Templates;
 using Perspex.Input;
 using Perspex.Layout;
@@ -13,6 +14,16 @@ namespace Perspex.Controls
     /// </summary>
     public interface IControl : IVisual, ILogical, ILayoutable, IInputElement, INamed, IStyleable, IStyleHost
     {
+        /// <summary>
+        /// Raised when the control is attached to a rooted logical tree.
+        /// </summary>
+        event EventHandler<LogicalTreeAttachmentEventArgs> AttachedToLogicalTree;
+
+        /// <summary>
+        /// Raised when the control is detached from a rooted logical tree.
+        /// </summary>
+        event EventHandler<LogicalTreeAttachmentEventArgs> DetachedFromLogicalTree;
+
         /// <summary>
         /// Gets or sets the control's styling classes.
         /// </summary>