From 7035a3e06ef2c3ba5e86163a05f40061ef884664 Mon Sep 17 00:00:00 2001
From: Lukasz Baldyga <c3ypt1c@gmail.com>
Date: Sun, 29 Nov 2020 09:15:23 +0000
Subject: [PATCH] Added a safe catch, just in case

---
 .../Advanced Software Engineering/Drawer.cs                      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Advanced Software Engineering/Advanced Software Engineering/Drawer.cs b/Advanced Software Engineering/Advanced Software Engineering/Drawer.cs
index d882dbe..660e8d5 100644
--- a/Advanced Software Engineering/Advanced Software Engineering/Drawer.cs	
+++ b/Advanced Software Engineering/Advanced Software Engineering/Drawer.cs	
@@ -198,6 +198,7 @@ namespace Advanced_Software_Engineering {
         }
 
         public bool CheckVariableExists(string name) {
+            if (name == null) return false;
             return variables.ContainsKey(name);
         }
     }