wxPGEditor::CreateControls(). wxPropertyGrid automatically passes all
events from editor to wxPGEditor::OnEvent() and wxPGProperty::OnEvent(),
as appropriate.
+
+ - wxPython: Previously some of the reimplemented member functions needed a
+ 'Py' prefix. This is no longer necessary. For instance, if you previously
+ implemented PyStringToValue() for your custom property, you should now
+ just implement StringToValue().
*/