From af484aba7797403eae083198786380f611bbc74b Mon Sep 17 00:00:00 2001
From: Equbuxu <egor08281@gmail.com>
Date: Sun, 3 Dec 2023 01:11:29 +0300
Subject: [PATCH] Fix crash when TransformSelectedArea_UpdateableChange fails
 validation

---
 .../Drawing/TransformSelectedArea_UpdateableChange.cs     | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/PixiEditor.ChangeableDocument/Changes/Drawing/TransformSelectedArea_UpdateableChange.cs b/src/PixiEditor.ChangeableDocument/Changes/Drawing/TransformSelectedArea_UpdateableChange.cs
index c0e4f1539..d89095ca4 100644
--- a/src/PixiEditor.ChangeableDocument/Changes/Drawing/TransformSelectedArea_UpdateableChange.cs
+++ b/src/PixiEditor.ChangeableDocument/Changes/Drawing/TransformSelectedArea_UpdateableChange.cs
@@ -177,9 +177,13 @@ public override void Dispose()
     {
         if (hasEnqueudImages)
             throw new InvalidOperationException("Attempted to dispose the change while it's internally stored image is still used enqueued in some ChunkyImage. Most likely someone tried to dispose a change after ApplyTemporarily was called but before the subsequent call to Apply. Don't do that.");
-        foreach (var (_, (image, _)) in images!)
+
+        if (images is not null)
         {
-            image.Dispose();
+            foreach (var (_, (image, _)) in images)
+            {
+                image.Dispose();
+            }
         }
 
         if (savedChunks is not null)