Sets our main struct and passes it to the parent class.
A destructor is present on this object, but not explicitly documented in the source.
Get the main Gtk struct
the main Gtk struct as a void*
Calls a function on each valid glib.Hook
Calls a function on each valid glib.Hook and destroys it if the function returns FALSE.
the function to call to finalize a glib.Hook element. The default behaviour is to call the hooks destroy function
the size of the glib.HookList elements, in bytes
the first glib.Hook element in the list
1 if the glib.HookList has been initialized
the next free glib.Hook id
the main Gtk struct