From 9aecfe373d757fc389065c8bc6c269daafef21f9 Mon Sep 17 00:00:00 2001
From: anders_k <anders_k@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Thu, 8 Jul 2021 18:23:28 +0000
Subject: [PATCH] Chasing the dark mode dragon

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7276 212acab6-be3b-0410-9dea-997c60f758d6
---
 Examples/NSISMenu.nsi | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Examples/NSISMenu.nsi b/Examples/NSISMenu.nsi
index ccf11f08..d1d291f8 100644
--- a/Examples/NSISMenu.nsi
+++ b/Examples/NSISMenu.nsi
@@ -77,8 +77,11 @@ ReadRegDWORD $UseLightTheme HKCU "Software\Microsoft\Windows\CurrentVersion\Them
 StrCmp $UseLightTheme "" 0 +2
 StrCpy $UseLightTheme 1 ; Default
 
-StrCmp $UseLightTheme "0" 0 +2
-System::Call 'USER32::SetProp(p$hWndParent,t"UseImmersiveDarkModeColors",i1)'
+StrCmp $UseLightTheme "0" 0 +5
+System::Call 'DWMAPI::DwmSetWindowAttribute(p$hWndParent,i20,*i1,i4)i.r0' ; 20H1
+IntCmp $0 0 +3 +3
+System::Call 'DWMAPI::DwmSetWindowAttribute(p$hWndParent,i19,*i1,i4)i.r0' ; ; 19H1
+System::Call 'USER32::SetProp(p$hWndParent,t"UseImmersiveDarkModeColors",i1)' ; 1809
 FunctionEnd
 
 !define SetCtlColors "!insertmacro SetCtlColors "