---
:wxPersistentComboBox:
  :detail:
    :pre:
      :programlisting:
        - :pattern: !ruby/regexp /.*/
          :replace: |

            ```ruby
              # Suppose you need to ask the user to select their favourite Linux
              # distribution, for some reason:
              combo = Wx::ComboBox.new(self, Wx::ID_ANY)
              unless Wx.persistent_register_and_restore(combo, 'distribution')
                # Seed it with some default contents.
                combo.append("Debian")
                combo.append("Fedora")
                combo.append("Ubuntu")
              end
              
              # Optionally, you might want to restore the last used entry:
              combo.set_selection(0)
            ```