Added a TODO item.
Added a menu item.
Created bobura::train_kind_dialog and message::train_kind_dialog.
Created bobura::command::train_kind.
Modified Makefile.ams.
Corrected the file name.
Modified bobura::train_kind_dialog.
Modified bobura::about_dialog, file_property_dialog and oudia_diagram_dialog.
Implemented bobura::train_kind_dialog.
Implemented bobura::train_kind_dialog.
Implemented bobura::train_kind_dialog.
Implemented bobura::train_kind_dialog.
Implemented bobura::train_kind_dialog.
Added a TODO item.
Modified tetengo2::detail::windows::widget.
Created tetengo2::gui::widget::dropdown_box. (wip)
Implemented tetengo2::detail::stub/windows::message_handler and widget.
Created tetengo2::detail::windows::message_handler_detail::dropdown_box.
Implemented tetengo2::detail::windows::widget.
Implemented bobura::train_kind_dialog.
Implemented bobura::train_kind_dialog.