Frama_c_gui.WfileSourceclass dialog : ?kind:filekind -> ?title:string -> ?select:string -> ?parent:GWindow.window ->
unit -> object ... endDialog for choosing a file. The default file type is `FILE.
class button : ?kind:filekind -> ?title:string -> ?select:string -> ?tooltip:string -> ?parent:
GWindow.window -> unit -> object ... endA button associated with a dialog to select the file.