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  • # This is a little helper function used by some of the examples to report
    # missing dependencies information on startup. It's especially useful for the
    # Windows distribution since people will often start the examples by double-
    # clicking on an icon instead of running from the command line.
    
    def missingDependency(msg)
      app = Fox::FXApp.new("Dummy", "FoxTest")
      app.init(ARGV)
      mainWindow = Fox::FXMainWindow.new(app, "")
      app.create
      Fox::FXMessageBox.error(mainWindow, Fox::MBOX_OK, "Dependencies Missing", msg)
      raise SystemExit
    end