From 44c101a7f8e644519810260b9f827761c41ff569 Mon Sep 17 00:00:00 2001
From: Kunlong Ma <kunlong.ma@bambulab.com>
Date: Fri, 10 May 2024 19:40:11 +0800
Subject: [PATCH] FIX: fix crash when switched the dpi

JIRA: STUDIO-7049
Fix studio crash caused by switching dpi when multi machine is not enabled

Change-Id: I8336de99800d81e3240023b0b35f379e91c251ac
---
 src/slic3r/GUI/MainFrame.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 070d3b73b..c5a3a147f 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -2083,7 +2083,8 @@ void MainFrame::on_dpi_changed(const wxRect& suggested_rect)
     m_param_panel->msw_rescale();
     m_project->msw_rescale();
     m_monitor->msw_rescale();
-    m_multi_machine->msw_rescale();
+    if (m_multi_machine)
+        m_multi_machine->msw_rescale();
     m_calibration->msw_rescale();
 
     // BBS