From 743ba1d59406bb7841cd217abff4d3c5238b2ae5 Mon Sep 17 00:00:00 2001
From: "harald.martini@student.tugraz.at" <harald.martini@student.tugraz.at>
Date: Fri, 9 Jul 2021 10:55:36 +0200
Subject: [PATCH] fixed null reference error in FileHelper

---
 VECTO3GUI2020/Helper/FileHelper.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/VECTO3GUI2020/Helper/FileHelper.cs b/VECTO3GUI2020/Helper/FileHelper.cs
index fd07878751..3cad81f509 100644
--- a/VECTO3GUI2020/Helper/FileHelper.cs
+++ b/VECTO3GUI2020/Helper/FileHelper.cs
@@ -1,4 +1,5 @@
 using System.IO;
+using Castle.Core.Internal;
 
 namespace VECTO3GUI2020.Helper
 {
@@ -7,7 +8,9 @@ namespace VECTO3GUI2020.Helper
 		public static void CreateDirectory(string fileName)
 		{
 			var dirName = Path.GetDirectoryName(fileName);
-			Directory.CreateDirectory(dirName);
+			if (!dirName.IsNullOrEmpty()) {
+				Directory.CreateDirectory(dirName);
+			}
 		}
 	}
 }
\ No newline at end of file
-- 
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