diff -r 523f6fcc7a28 -r 6279ec06df98 editors/DataTypeEditor.py
--- a/editors/DataTypeEditor.py	Thu Apr 07 15:28:24 2022 +0200
+++ b/editors/DataTypeEditor.py	Fri May 06 14:40:33 2022 +0200
@@ -47,7 +47,7 @@
 
 
 def AppendMenu(parent, help, kind, text):
-    return parent.Append(help=help, id=wx.ID_ANY, kind=kind, text=text)
+    return parent.Append(wx.MenuItem(helpString=help, id=wx.ID_ANY, kind=kind, text=text))
 
 
 def GetElementsTableColnames():
@@ -375,7 +375,7 @@
 
         self.StructureElementsGrid = CustomGrid(self.StructurePanel,
                                                 size=wx.Size(0, 150), style=wx.VSCROLL)
-        self.StructureElementsGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGING,
+        self.StructureElementsGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGED,
                                         self.OnStructureElementsGridCellChange)
         self.StructureElementsGrid.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN,
                                         self.OnStructureElementsGridEditorShown)