From 60701cbc8e9d72ac15c57a7045f3842c94f5f650 Mon Sep 17 00:00:00 2001
From: tao wang <tao.wang@bambulab.com>
Date: Mon, 14 Aug 2023 21:08:57 +0800
Subject: [PATCH] FIX:fixed UI flashing when playing liveview

Change-Id: I604620059556b74a7be5b472e2408aaea18625f6
(cherry picked from commit d17238694857a308b4f4aa5e48f91cade8f4c065)
---
 src/slic3r/GUI/Widgets/AMSControl.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/slic3r/GUI/Widgets/AMSControl.cpp b/src/slic3r/GUI/Widgets/AMSControl.cpp
index 242f440838..533e57cf07 100644
--- a/src/slic3r/GUI/Widgets/AMSControl.cpp
+++ b/src/slic3r/GUI/Widgets/AMSControl.cpp
@@ -1189,8 +1189,10 @@ void AMSLib::render_generic_lib(wxDC &dc)
 
 void AMSLib::on_pass_road(bool pass)
 {
-    m_pass_road = pass;
-    Refresh();
+    if (m_pass_road != pass) {
+        m_pass_road = pass;
+        Refresh();
+    }
 }
 
 void AMSLib::Update(Caninfo info, bool refresh)