Fix LT-21890: Deleting from right side of affix process rule crashes

sillsdev · Sep 19, 2024 · 5b11982 · 5b11982
1 parent cbf79d5
commit 5b11982
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Src/LexText/Morphology/AffixRuleFormulaControl.cs b/Src/LexText/Morphology/AffixRuleFormulaControl.cs
@@ -1,4 +1,4 @@
-// Copyright (c) 2015 SIL International
+// Copyright (c) 2015 SIL International
 // This software is licensed under the LGPL, version 2.1 or later
 // (http://www.gnu.org/licenses/lgpl-2.1.html)
 
@@ -716,7 +716,7 @@ protected bool RemoveFromOutput(bool forward, SelectionHelper sel, out int index
 			else
 			{
 				int idx = GetIndexToRemove(mappings, sel, forward);
-				if (idx > -1)
+				if (idx > -1 && idx < mappings.Count())
 				{
 					var mapping = (IMoRuleMapping) mappings[idx];
 					index = idx - 1;