From 0c3f5d3c34830135f668fbdd15f2291d43265008 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Wed, 7 Oct 2015 10:31:33 +0300
Subject: [PATCH] INT PAL 52906: TC7.7.0: SIGSEGV at attempt to restrict
 selection by second shape in 'Create Group' dialog box

---
 src/GroupGUI/GroupGUI_GroupDlg.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/GroupGUI/GroupGUI_GroupDlg.cxx b/src/GroupGUI/GroupGUI_GroupDlg.cxx
index 984bc28c2..40463f32a 100644
--- a/src/GroupGUI/GroupGUI_GroupDlg.cxx
+++ b/src/GroupGUI/GroupGUI_GroupDlg.cxx
@@ -446,7 +446,7 @@ void GroupGUI_GroupDlg::ActivateThisDialog()
 //=================================================================================
 void GroupGUI_GroupDlg::SetEditCurrentArgument()
 {
-  QPushButton* send = (QPushButton*)sender();
+  QPushButton* send = qobject_cast<QPushButton*>( sender() );
 
   if (send == mySelBtn) {
     myEditCurrentArgument = myMainName;
@@ -472,7 +472,8 @@ void GroupGUI_GroupDlg::SetEditCurrentArgument()
   //  activateSelection();
   if(myEditCurrentArgument) {
     myEditCurrentArgument->setFocus();
-    send->setDown(true);
+    if ( send )
+      send->setDown(true);
   }
 
   updateState();
-- 
2.39.2