From 81f30303735c0a9cd367a2e624e2444726611fcf Mon Sep 17 00:00:00 2001
From: Sergey Chebotar <s.chebotar@gmail.com>
Date: Tue, 8 Feb 2022 16:19:49 +0300
Subject: [PATCH] Add range.Addvalue extension

---
 src/AddIn/WorksheetExtensions.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/AddIn/WorksheetExtensions.cs b/src/AddIn/WorksheetExtensions.cs
index 51ce13a..cffa55c 100644
--- a/src/AddIn/WorksheetExtensions.cs
+++ b/src/AddIn/WorksheetExtensions.cs
@@ -27,6 +27,19 @@ namespace RehauSku
 
             return cells.All(x => x != null);
         }
+
+        public static void AddValue(this Range range, double value)
+        {
+            if (range.Value2 == null)
+            {
+                range.Value2 = value;
+            }
+
+            else
+            {
+                range.Value2 += value;
+            }
+        }
     }
 }