[Fxruby-users] FXMenuCommands as options

[Daniel S. <da...@pr...>]

I've been looking at the code for the sample program table.rbw, and the
following section is confusing me:

=20   # Options Menu
=20   tablemenu =3D FXMenuPane.new(self)
=20   FXMenuCommand.new(tablemenu, "Horizontal grid", nil,
=20     @table, FXTable::ID_HORZ_GRID)
=20   FXMenuCommand.new(tablemenu, "Vertical grid", nil,
=20     @table, FXTable::ID_VERT_GRID)
=20   FXMenuTitle.new(menubar, "&Options", nil, tablemenu)

This creates the Options menu pane, and creates two buttons in it that
send the "ID_HORZ_GRID" and "ID_VERT_GRID" events to @table when they
are clicked.=20

When the application is run, these two menu items have check-boxes next
to them. What is making these checkboxes appear? There's no events with
the menu items as targets. There's no calls to the "check" method. How
does this hang together?
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