From 967610e7990a94d1cd1b6d75b275b8cdbda6d147 Mon Sep 17 00:00:00 2001
From: vsv <vitaly.smetannikov@opencascade.com>
Date: Wed, 14 Dec 2016 12:56:48 +0300
Subject: [PATCH] Issue #1921: Ignore non valid index on document change.

---
 src/PartSet/PartSet_Module.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PartSet/PartSet_Module.cpp b/src/PartSet/PartSet_Module.cpp
index 667766244..348e8a4cb 100755
--- a/src/PartSet/PartSet_Module.cpp
+++ b/src/PartSet/PartSet_Module.cpp
@@ -1291,7 +1291,8 @@ void PartSet_Module::onTreeViewDoubleClick(const QModelIndex& theIndex)
     return;
   SessionPtr aMgr = ModelAPI_Session::get();
   if (!theIndex.isValid()) {
-    aMgr->setActiveDocument(aMgr->moduleDocument());
+    // It seems that this code is obsolete
+    //aMgr->setActiveDocument(aMgr->moduleDocument());
     return;
   }
   if (theIndex.column() != 0) // Use only first column
-- 
2.39.2