Object Hierarchy: Evolution Mail Composer Reference Manual

# Object Hierarchy

        GObject
        ├── EComposerHeader
        │   ├── EComposerFromHeader
        │   ├── EComposerNameHeader
        │   ╰── EComposerTextHeader
        │       ├── EComposerPostHeader
        │       ╰── EComposerSpellHeader
        ╰── GInitiallyUnowned
            ╰── GtkWidget
                ╰── GtkContainer
                    ├── GtkTable
                    │   ╰── EComposerHeaderTable
                    ╰── GtkBin
                        ╰── GtkWindow
                            ╰── EMsgComposer