From 5fbfd2e75c41fcacf436f668bf4f5898bf37a1a9 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Wed, 24 Jun 2020 11:04:56 +0300
Subject: [PATCH] Issue #3222: Update highlighted error points

---
 src/PartSet/PartSet_CustomPrs.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/PartSet/PartSet_CustomPrs.cpp b/src/PartSet/PartSet_CustomPrs.cpp
index 7b98ee619..fc0fb74d4 100644
--- a/src/PartSet/PartSet_CustomPrs.cpp
+++ b/src/PartSet/PartSet_CustomPrs.cpp
@@ -255,8 +255,10 @@ void PartSet_CustomPrs::clearErrorShape()
 {
   if (!myErrorShapes.IsNull()) {
     Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
-    if (aContext->IsDisplayed(myErrorShapes))
+    if (aContext->IsDisplayed(myErrorShapes)) {
       aContext->Remove(myErrorShapes, true);
+      myErrorShapes.Nullify();
+    }
   }
 }
 
@@ -289,6 +291,7 @@ void PartSet_CustomPrs::processEvent(const std::shared_ptr<Events_Message>& theM
     else {
       if (!myErrorShapes.IsNull()) {
         aContext->Remove(myErrorShapes, true);
+        myErrorShapes.Nullify();
       }
     }
   }
-- 
2.39.2