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    id        => -1,
    value     => '',
    position  => Wx::wxDefaultPosition(),
    size      => Wx::wxDefaultSize(),
    choices   => [],
    style     => 0,
    validator => Wx::wxDefaultValidator(),
    name      => wxComboBoxNameStr,
  );

http://wxwidgets.org/manuals/stable/wx_wxcombobox.html

=head2 wxPerl::Dialog

  wxPerl::Dialog->new(
    $parent,
    $title,
    id       => -1,
    position => Wx::wxDefaultPosition(),
    size     => Wx::wxDefaultSize(),
    style    => Wx::wxDEFAULT_DIALOG_STYLE(),