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*
If info is statically allocated does nothing. Otherwise increases the reference count.
If info is statically allocated, does nothing. Otherwise decreases the reference count of info. When its reference count drops to 0, the memory used is freed.
A pointer to a NULL-terminated array of pointers to gio.DBusAnnotationInfo structures or NULL if there are no annotations.
Name of the argument, e.g. unix_user_id.
The reference count or -1 if statically allocated.
D-Bus signature of the argument (a single complete type).
the main Gtk struct
Information about an argument for a method or a signal.