From ebcc5e2b0dd6c8defc836fddf9cdd57aa94f1c5e Mon Sep 17 00:00:00 2001
From: Paul Hebble <pjhebble@gmail.com>
Date: Tue, 12 Nov 2019 11:04:40 -0600
Subject: [PATCH] Force redraw of recommendation listview headers on Mono

---
 GUI/MainRecommendations.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/GUI/MainRecommendations.cs b/GUI/MainRecommendations.cs
index 8fb8a0b713..8542686d46 100644
--- a/GUI/MainRecommendations.cs
+++ b/GUI/MainRecommendations.cs
@@ -137,6 +137,12 @@ private void ShowRecSugDialog(IEnumerable<ListViewItem> rows, HashSet<CkanModule
 
             tabController.ShowTab("ChooseRecommendedModsTabPage", 3);
             tabController.SetTabLock(true);
+            
+            if (Platform.IsMono)
+            {
+                // Workaround: make sure the ListView headers are drawn
+                RecommendedModsListView.EndUpdate();
+            }
 
             lock (this)
             {