From 2384649e095b981bdb9abd13d2f003597eef4083 Mon Sep 17 00:00:00 2001
From: IceStormNG <carstenbraun@live.de>
Date: Fri, 18 Aug 2023 18:37:58 +0200
Subject: [PATCH] Better handling for null values.

---
 app/UI/CustomControls.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/UI/CustomControls.cs b/app/UI/CustomControls.cs
index 3b8a935c..a2ebf4b9 100644
--- a/app/UI/CustomControls.cs
+++ b/app/UI/CustomControls.cs
@@ -62,12 +62,14 @@ namespace GHelper.UI
 
         private static bool IsDarkTheme()
         {
-            if (AppConfig.GetString("ui_mode").ToLower() == "dark")
+            string? uiMode = AppConfig.GetString("ui_mode");
+
+            if (uiMode is not null && uiMode.ToLower() == "dark")
             {
                 return true;
             }
 
-            if (AppConfig.GetString("ui_mode").ToLower() == "light")
+            if (uiMode is not null && uiMode.ToLower() == "light")
             {
                 return false;
             }