From 0a7d9646f3cfade655ac0fbc108aa8a3a13d5524 Mon Sep 17 00:00:00 2001
From: Sergey Chebotar <s.chebotar@gmail.com>
Date: Fri, 7 Apr 2023 07:25:03 +0300
Subject: [PATCH] Fix dispose null reference exception

---
 RhSolutions.AddIn/Services/RhExcelReader.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/RhSolutions.AddIn/Services/RhExcelReader.cs b/RhSolutions.AddIn/Services/RhExcelReader.cs
index e7ae342..0192b39 100644
--- a/RhSolutions.AddIn/Services/RhExcelReader.cs
+++ b/RhSolutions.AddIn/Services/RhExcelReader.cs
@@ -163,6 +163,6 @@ public class RhExcelReader : IExcelReader, IDisposable
 
     public void Dispose()
     {
-        _progressBar.Dispose();
+        _progressBar?.Dispose();
     }
 }
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