From 08b40dc5e8cb7210263a4034ee4041693d5139af Mon Sep 17 00:00:00 2001
From: Stone Li <stone.li@bambulab.com>
Date: Mon, 5 Dec 2022 20:33:07 +0800
Subject: [PATCH] FIX: do not reset thumbnails when using exported file

Change-Id: I4d8c7ccdf21b92354bd0c2c816665db2d2a4a958
---
 src/slic3r/GUI/Plater.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 125a3a167..fd06e29d5 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -5221,7 +5221,8 @@ void Plater::priv::set_current_panel(wxPanel* panel, bool no_slice)
             notification_manager->set_in_preview(false);
     }
     else if (current_panel == preview) {
-        q->invalid_all_plate_thumbnails();
+        if (!q->using_exported_file())
+            q->invalid_all_plate_thumbnails();
         if (old_panel == view3D)
             view3D->get_canvas3d()->unbind_event_handlers();
         else if (old_panel == assemble_view)