From 64d893d0cbbf292f65ed3388867441a5d1f2bd63 Mon Sep 17 00:00:00 2001
From: Heejae Chang <hechang@microsoft.com>
Date: Wed, 4 Jan 2017 15:14:08 -0800
Subject: [PATCH] make roaming visual studio profile option persister handle
 bool? data type

---
 .../Options/RoamingVisualStudioProfileOptionPersister.cs     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/VisualStudio/Core/Def/Implementation/Options/RoamingVisualStudioProfileOptionPersister.cs b/src/VisualStudio/Core/Def/Implementation/Options/RoamingVisualStudioProfileOptionPersister.cs
index 475b36ab5c7..09026c06faa 100644
--- a/src/VisualStudio/Core/Def/Implementation/Options/RoamingVisualStudioProfileOptionPersister.cs
+++ b/src/VisualStudio/Core/Def/Implementation/Options/RoamingVisualStudioProfileOptionPersister.cs
@@ -174,6 +174,11 @@ public bool TryFetch(OptionKey optionKey, out object value)
                 value = longValue != 0;
                 return true;
             }
+            else if (optionKey.Option.Type == typeof(bool?))
+            {
+                // when nullable type is assigned to object, it can lose nullable type.
+                return (value is bool) || (value == null);
+            }
             else if (value != null && optionKey.Option.Type != value.GetType())
             {
                 // We got something back different than we expected, so fail to deserialize
-- 
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