From ed95e98a27efbbc1815ee3a88aafca8936bac7fe Mon Sep 17 00:00:00 2001
From: Alexander Kislitsyn <4lex.kislitsyn@gmail.com>
Date: Thu, 21 May 2020 18:52:06 +0300
Subject: [PATCH] Removed default value and added exception.

---
 Notepad.Extensions.Logging/NotepadLogger.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Notepad.Extensions.Logging/NotepadLogger.cs b/Notepad.Extensions.Logging/NotepadLogger.cs
index a4f1dcf..c0a0d6c 100644
--- a/Notepad.Extensions.Logging/NotepadLogger.cs
+++ b/Notepad.Extensions.Logging/NotepadLogger.cs
@@ -7,11 +7,11 @@ namespace Microsoft.Extensions.Logging
 {
     class NotepadLogger : ILogger
     {
-        public NotepadLogger(ObjectPool<StringBuilder> stringBuilderPool, string categoryName, string windowName = null)
+        public NotepadLogger(ObjectPool<StringBuilder> stringBuilderPool, string categoryName, string windowName)
         {
             this.stringBuilderPool = stringBuilderPool;
             this.categoryName = categoryName;
-            this.windowName = windowName;
+            this.windowName = windowName ?? throw new ArgumentNullException("Window name cannot be null.");
         }
 
         readonly ObjectPool<StringBuilder> stringBuilderPool;