Lists the properties of an interface.Generally, the interface
vtable passed in as @g_iface will be the default vtable from
g_type_default_interface_ref(), or, if you know the interface has
already been loaded, g_type_default_interface_peek().
a
pointer to an array of pointers to #GParamSpec
structures. The paramspecs are owned by GLib, but the
array should be freed with g_free() when you are done with
it.
Lists the properties of an interface.Generally, the interface vtable passed in as @g_iface will be the default vtable from g_type_default_interface_ref(), or, if you know the interface has already been loaded, g_type_default_interface_peek().