From f5431921d8b0df185a070993781d3419f98f4de0 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@users.noreply.github.com>
Date: Fri, 13 Jul 2018 13:19:36 +0200
Subject: [PATCH] Unsubscribe when PR list view is unloaded.

---
 .../Views/GitHubPane/PullRequestListView.xaml.cs           | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml.cs b/src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml.cs
index 39b44c4c45..6ddf3b4b70 100644
--- a/src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml.cs
+++ b/src/GitHub.VisualStudio/Views/GitHubPane/PullRequestListView.xaml.cs
@@ -27,6 +27,7 @@ public partial class PullRequestListView : UserControl
         public PullRequestListView()
         {
             InitializeComponent();
+
             DataContextChanged += (s, e) =>
             {
                 var vm = DataContext as IPullRequestListViewModel;
@@ -42,6 +43,12 @@ public PullRequestListView()
                         vm.OpenItemInBrowser.Subscribe(x => OpenInBrowser((IPullRequestListItemViewModel)x)));
                 }
             };
+
+            Unloaded += (s, e) =>
+            {
+                subscription?.Dispose();
+                subscription = null;
+            };
         }
 
         [Import]