From 7d65d5e2696996a9ef8774278c4717d5c0730bd5 Mon Sep 17 00:00:00 2001
From: CyrusNajmabadi <cyrusn@microsoft.com>
Date: Thu, 17 Nov 2016 22:43:11 -0800
Subject: [PATCH] Add ability for callback to specify a message to display to
 the user.

---
 src/EditorFeatures/Core/FindUsages/FindUsagesContext.cs  | 4 ++++
 src/EditorFeatures/Core/FindUsages/IFindUsagesContext.cs | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/EditorFeatures/Core/FindUsages/FindUsagesContext.cs b/src/EditorFeatures/Core/FindUsages/FindUsagesContext.cs
index 8762afb8a00..e04f6c2d98e 100644
--- a/src/EditorFeatures/Core/FindUsages/FindUsagesContext.cs
+++ b/src/EditorFeatures/Core/FindUsages/FindUsagesContext.cs
@@ -14,6 +14,10 @@ protected FindUsagesContext()
         {
         }
 
+        public virtual void ReportMessage(string message)
+        {
+        }
+
         public virtual void SetSearchLabel(string displayName)
         {
         }
diff --git a/src/EditorFeatures/Core/FindUsages/IFindUsagesContext.cs b/src/EditorFeatures/Core/FindUsages/IFindUsagesContext.cs
index 79f415cd5ea..35f34ab9c11 100644
--- a/src/EditorFeatures/Core/FindUsages/IFindUsagesContext.cs
+++ b/src/EditorFeatures/Core/FindUsages/IFindUsagesContext.cs
@@ -9,6 +9,14 @@ internal interface IFindUsagesContext
     {
         CancellationToken CancellationToken { get; }
 
+        /// <summary>
+        /// Report a message to be displayed to the user.
+        /// </summary>
+        void ReportMessage(string message);
+
+        /// <summary>
+        /// Set the title of the window that results are displayed in.
+        /// </summary>
         void SetSearchLabel(string displayName);
 
         Task OnDefinitionFoundAsync(DefinitionItem definition);
-- 
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