From b5c779e70a12a777e2f167e20a1cecca7a6d1e5f Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Thu, 1 Dec 2005 10:00:50 +0000
Subject: [PATCH] PAL10696 - crash if press "Shift+C" when there is no viewer

---
 src/Qtx/QtxWorkstack.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Qtx/QtxWorkstack.cxx b/src/Qtx/QtxWorkstack.cxx
index 72275a837..e9a27a3ad 100644
--- a/src/Qtx/QtxWorkstack.cxx
+++ b/src/Qtx/QtxWorkstack.cxx
@@ -789,7 +789,7 @@ void QtxWorkstack::onCloseWindow()
 {
   if ( myWorkWin )
     myWorkWin->close();
-  else
+  else if( activeWindow() )
     activeWindow()->close();
 }
 
-- 
2.39.2