From 9d028a39c403bc9ddcccc80a6c1e46d44dda428b Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Wed, 18 Sep 2019 10:07:37 +0300
Subject: [PATCH] Fix of movement in history of composite bodies sub-elements
 when only part is selected by concealer.

---
 src/Model/Model_AttributeSelection.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Model/Model_AttributeSelection.cpp b/src/Model/Model_AttributeSelection.cpp
index 496f1e2af..50f548009 100644
--- a/src/Model/Model_AttributeSelection.cpp
+++ b/src/Model/Model_AttributeSelection.cpp
@@ -1296,6 +1296,8 @@ void Model_AttributeSelection::concealedFeature(
     std::list<ResultPtr> allRes;
     allRes.push_back(*aRootIter);
     ResultBodyPtr aRootBody = ModelAPI_Tools::bodyOwner(*aRootIter, true);
+    if (!aRootBody.get())
+      aRootBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRootIter);
     if (aRootBody.get()) {
       ModelAPI_Tools::allSubs(aRootBody, allRes);
     }
-- 
2.39.2