From dc829c8fcad1ce1fc2e9aef446cc474d08e00835 Mon Sep 17 00:00:00 2001
From: Patrick Wespi <pwespi@pm.me>
Date: Wed, 18 Jun 2025 05:03:51 +0200
Subject: [PATCH] fix(getToolbarModule): fix enabled state of image slice sync
 (#5136)

---
 extensions/cornerstone/src/getToolbarModule.tsx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/extensions/cornerstone/src/getToolbarModule.tsx b/extensions/cornerstone/src/getToolbarModule.tsx
index 317aac85f..d435e45f7 100644
--- a/extensions/cornerstone/src/getToolbarModule.tsx
+++ b/extensions/cornerstone/src/getToolbarModule.tsx
@@ -463,17 +463,17 @@ export default function getToolbarModule({ servicesManager, extensionManager }:
       evaluate: ({ viewportId, button }) => {
         let synchronizers = syncGroupService.getSynchronizersForViewport(viewportId);
 
-        if (!synchronizers?.length) {
+        if (!synchronizers?.length || synchronizers.length <= 1) {
           return {
             className: utils.getToggledClassName(false),
           };
         }
 
-        const isArray = Array.isArray(button.commands);
+        const isArray = Array.isArray(button.props?.commands);
 
         const synchronizerType = isArray
-          ? button.commands?.[0].commandOptions.type
-          : button.commands?.commandOptions.type;
+          ? button.props?.commands?.[0].commandOptions.type
+          : button.props?.commands?.commandOptions.type;
 
         synchronizers = syncGroupService.getSynchronizersOfType(synchronizerType);