From 4c563b541e8dadd401851e7effcff35984e89a3a Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Wed, 26 Feb 2020 14:41:12 +0000
Subject: [PATCH] Another attempt to get GTK wxDataViewCtrl to reload properly.

---
 pcbnew/drc/drc_tree_model.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pcbnew/drc/drc_tree_model.h b/pcbnew/drc/drc_tree_model.h
index d0ce470201..9b4b8ff4bf 100644
--- a/pcbnew/drc/drc_tree_model.h
+++ b/pcbnew/drc/drc_tree_model.h
@@ -225,7 +225,7 @@ public:
 
     void SetProvider( DRC_ITEMS_PROVIDER* aProvider )
     {
-        BeforeReset();
+        Cleared();
 
         delete m_drcItemsProvider;
         m_drcItemsProvider = aProvider;
@@ -242,9 +242,16 @@ public:
 
             if( drcItem->HasSecondItem() )
                 node.m_Children.emplace_back( &node, drcItem, DRC_TREE_NODE::AUX_ITEM );
+
+            wxDataViewItemArray childItems;
+
+            for( DRC_TREE_NODE& child : node.m_Children )
+                childItems.Add( ToItem( &child ) );
+
+            ItemAdded( ToItem( nullptr ), ToItem( &node ) );
+            ItemsAdded( ToItem( &node ), childItems );
         }
 
-        AfterReset();
         ExpandAll();
     }