diff -r f7c85a5939dc -r b1144bb36605 DataTypeEditor.py
--- a/DataTypeEditor.py	Wed Apr 16 10:26:33 2008 +0200
+++ b/DataTypeEditor.py	Tue Apr 22 10:25:24 2008 +0200
@@ -27,6 +27,10 @@
 import wx.gizmos
 from plcopen.structures import GetDataTypeRange, IEC_KEYWORDS
 
+import re
+
+DIMENSION_MODEL = re.compile("([0-9]+)\.\.([0-9]+)$")
+
 if wx.VERSION >= (2, 8, 0):
     import wx.aui
 
@@ -393,7 +397,7 @@
                 self.EnumeratedInitialValue.SetStringSelection(type_infos["initial"])
             elif type_infos["type"] == "Array":
                 self.ArrayBaseType.SetStringSelection(type_infos["base_type"])
-                self.ArrayDimensions.SetStrings(type_infos["dimensions"])
+                self.ArrayDimensions.SetStrings(map(lambda x : "..".join(map(str, x)), type_infos["dimensions"]))
                 self.ArrayInitialValue.SetValue(type_infos["initial"])
             self.RefreshDisplayedInfos()
         self.Initializing = False
@@ -495,7 +499,23 @@
             infos["initial"] = self.EnumeratedInitialValue.GetStringSelection()
         elif selected == "Array":
             infos["base_type"] = self.ArrayBaseType.GetStringSelection()
-            infos["dimensions"] = self.ArrayDimensions.GetStrings()
+            infos["dimensions"] = []
+            for dimensions in self.ArrayDimensions.GetStrings():
+                result = DIMENSION_MODEL.match(dimensions)
+                if result is None:
+                    message = wx.MessageDialog(self, "\"%s\" value isn't a valid array dimension!"%dimensions, "Error", wx.OK|wx.ICON_ERROR)
+                    message.ShowModal()
+                    message.Destroy()
+                    self.RefreshView()
+                    return
+                bounds = result.groups()
+                if bounds[0] >= bounds[1]:
+                    message = wx.MessageDialog(self, "\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value."%dimensions, "Error", wx.OK|wx.ICON_ERROR)
+                    message.ShowModal()
+                    message.Destroy()
+                    self.RefreshView()
+                    return
+                infos["dimensions"].append(map(int, bounds))
             infos["initial"] = self.ArrayInitialValue.GetValue()
         self.Controler.SetDataTypeInfos(self.TagName, infos)
         self.ParentWindow.RefreshTitle()