From: osa <osa@opencascade.com>
Date: Fri, 4 Sep 2020 08:22:03 +0000 (+0300)
Subject: Visualization, PrsMgr_Presentation - remove graphic structure before nullify [OCCT... 
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=74e501a199d356d7a4e2632c773998a81b172502;p=occt-copy.git

Visualization, PrsMgr_Presentation - remove graphic structure before nullify [OCCT 7.2.0 backport]
---

diff --git a/src/PrsMgr/PrsMgr_Presentation.cxx b/src/PrsMgr/PrsMgr_Presentation.cxx
index 17ff1c225e..b3fe320fb1 100644
--- a/src/PrsMgr/PrsMgr_Presentation.cxx
+++ b/src/PrsMgr/PrsMgr_Presentation.cxx
@@ -110,6 +110,7 @@ void PrsMgr_Presentation::Erase()
   // Disconnect other structures
   myStructure->DisconnectAll (Graphic3d_TOC_DESCENDANT);
   // Clear groups and remove graphic structure
+  myStructure->Graphic3d_Structure::Remove();
   myStructure.Nullify();
 }