change platutils_win32.set_window_title to use ctypes as default. Fix bug when caling same

when current directory is on a network share.

IPython/platutils_win32.py

@@ -1,38 +1,53 b''
 # -*- coding: utf-8 -*-
 """ Platform specific utility functions, win32 version
 
 Importing this module directly is not portable - rather, import platutils 
 to use these functions in platform agnostic fashion.
 
 $Id: ipstruct.py 1005 2006-01-12 08:39:26Z fperez $
 
 """
 
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez <[e-mail]>
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 #*****************************************************************************
 
 from IPython import Release
 __author__  = '%s <%s>' % Release.authors['Ville']
 __license__ = Release.license
 
 import os
 
 ignore_termtitle = 0
+
+try:
+    from ctypes import windll
+    SetConsoleTitleA=windll.kernel32.SetConsoleTitleA
+
+    def _set_term_title(title):
+        """ Set terminal title using the ctypes"""
+        SetConsoleTitleA(str(title))
+
+except ImportError:
+    def _set_term_title(title):
+        """ Set terminal title using the 'title' command """
+        curr=os.getcwd()
+        os.chdir("C:") #Cannot be on network share when issuing system commands
+        ret = os.system("title " + title)
+        os.chdir(curr)
+        if ret:
+            ignore_termtitle = 1
+
 def set_term_title(title):
     """ Set terminal title using the 'title' command """
-    
     global ignore_termtitle
-    
+
     if ignore_termtitle:
-	return
-        
-    ret = os.system("title " + title)
-    if ret:
-        ignore_termtitle = 1
-    
-    
+        return
+    _set_term_title(title)
+
+