diff -r c89fc366bebd -r 0ffb41625592 dialogs/ArrayTypeDialog.py
--- a/dialogs/ArrayTypeDialog.py	Thu Sep 02 21:36:29 2021 +0200
+++ b/dialogs/ArrayTypeDialog.py	Thu Sep 02 22:18:14 2021 +0200
@@ -50,31 +50,31 @@
         main_sizer.AddGrowableRow(1)
 
         top_sizer = wx.BoxSizer(wx.HORIZONTAL)
-        main_sizer.AddSizer(top_sizer, border=20,
+        main_sizer.Add(top_sizer, border=20,
                             flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)
 
         basetype_label = wx.StaticText(self, label=_('Base Type:'))
-        top_sizer.AddWindow(basetype_label, 1, flag=wx.ALIGN_BOTTOM)
+        top_sizer.Add(basetype_label, 1, flag=wx.ALIGN_BOTTOM)
 
         self.BaseType = wx.ComboBox(self, style=wx.CB_READONLY)
-        top_sizer.AddWindow(self.BaseType, 1, flag=wx.GROW)
+        top_sizer.Add(self.BaseType, 1, flag=wx.GROW)
 
         self.Dimensions = CustomEditableListBox(self, label=_("Dimensions:"),
-                                                style=(wx.gizmos.EL_ALLOW_NEW |
-                                                       wx.gizmos.EL_ALLOW_EDIT |
-                                                       wx.gizmos.EL_ALLOW_DELETE))
+                                                style=(wx.adv.EL_ALLOW_NEW |
+                                                       wx.adv.EL_ALLOW_EDIT |
+                                                       wx.adv.EL_ALLOW_DELETE))
         for func in ["_OnLabelEndEdit",
                      "_OnAddButton",
                      "_OnDelButton",
                      "_OnUpButton",
                      "_OnDownButton"]:
             setattr(self.Dimensions, func, self.OnDimensionsChanged)
-        main_sizer.AddSizer(self.Dimensions, border=20,
+        main_sizer.Add(self.Dimensions, border=20,
                             flag=wx.GROW | wx.LEFT | wx.RIGHT)
 
         button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)
-        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
-        main_sizer.AddSizer(button_sizer, border=20,
+        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())
+        main_sizer.Add(button_sizer, border=20,
                             flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
 
         self.SetSizer(main_sizer)