From 75cb3c4f5d82ca475757d7ff3ac86d04dc0be6d9 Mon Sep 17 00:00:00 2001
From: Sergey Chebotar <s.chebotar@gmail.com>
Date: Fri, 7 Apr 2023 07:25:47 +0300
Subject: [PATCH] Dispose if not null

---
 RhSolutions.AddIn/Services/RhExcelWriter.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RhSolutions.AddIn/Services/RhExcelWriter.cs b/RhSolutions.AddIn/Services/RhExcelWriter.cs
index 51d66c6..2916dc2 100644
--- a/RhSolutions.AddIn/Services/RhExcelWriter.cs
+++ b/RhSolutions.AddIn/Services/RhExcelWriter.cs
@@ -249,7 +249,7 @@ public class RhExcelWriter : IExcelWriter, IDisposable
 
     public void Dispose()
     {
-        _progressBar.Dispose();
-        _resultBar.Dispose();
+        _progressBar?.Dispose();
+        _resultBar?.Dispose();
     }
 }