From c130191cfa0f21c3ab4ac1092745bc5c06a42e7a Mon Sep 17 00:00:00 2001
From: fvogel <fvogelnew1@free.fr>
Date: Sun, 22 May 2016 19:56:27 +0000
Subject: Fixed [109865fa01] - ttk::menubutton has an unprotected winfo

---
 library/ttk/menubutton.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/ttk/menubutton.tcl b/library/ttk/menubutton.tcl
index 093bb02..2be064c 100644
--- a/library/ttk/menubutton.tcl
+++ b/library/ttk/menubutton.tcl
@@ -57,7 +57,7 @@ if {[tk windowingsystem] eq "x11"} {
     bind TMenubutton <ButtonPress-1>  \
 	{ %W state pressed ; ttk::menubutton::Popdown %W }
     bind TMenubutton <ButtonRelease-1>  \
-	{ %W state !pressed }
+	{ if {[winfo exists %W]} { %W state !pressed } }
 }
 
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