diff -r a375e31bf312 -r c1298e7ffe3a editors/ResourceEditor.py
--- a/editors/ResourceEditor.py	Sun Mar 05 00:38:25 2017 +0000
+++ b/editors/ResourceEditor.py	Fri Mar 24 12:07:47 2017 +0000
@@ -1,26 +1,26 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
-#based on the plcopen standard.
+# This file is part of Beremiz, a Integrated Development Environment for
+# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
 #
-#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
 #
-#See COPYING file for copyrights details.
+# See COPYING file for copyrights details.
 #
-#This library is free software; you can redistribute it and/or
-#modify it under the terms of the GNU General Public
-#License as published by the Free Software Foundation; either
-#version 2.1 of the License, or (at your option) any later version.
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
 #
-#This library is distributed in the hope that it will be useful,
-#but WITHOUT ANY WARRANTY; without even the implied warranty of
-#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#General Public License for more details.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-#You should have received a copy of the GNU General Public
-#License along with this library; if not, write to the Free Software
-#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import wx
 import wx.lib.buttons
@@ -434,17 +434,18 @@
 
     def OnTasksGridCellChange(self, event):
         row, col = event.GetRow(), event.GetCol()
-        if self.TasksTable.GetColLabelValue(col) == "Name":
+        if self.TasksTable.GetColLabelValue(col, False) == "Name":
             tasklist = [name for name in self.TaskList.split(",") if name != ""]
             for i in xrange(self.TasksTable.GetNumberRows()):
                 task = self.TasksTable.GetValueByName(i, "Name")
                 if task in tasklist:
                     tasklist.remove(task)
             if len(tasklist) > 0:
-                old_name = tasklist[0]
+                old_name = tasklist[0].upper()
                 new_name = self.TasksTable.GetValue(row, col)
                 for i in xrange(self.InstancesTable.GetNumberRows()):
-                    if self.InstancesTable.GetValueByName(i, "Task") == old_name:
+                    name = self.InstancesTable.GetValueByName(i, "Task").upper()
+                    if old_name == name:
                         self.InstancesTable.SetValueByName(i, "Task", new_name)
         self.RefreshModel()
         colname = self.TasksTable.GetColLabelValue(col, False)