TypeInterface.peekParent

Returns the corresponding #GTypeInterface structure of the parent type of the instance type to which @g_iface belongs. This is useful when deriving the implementation of an interface from the parent type and then possibly overriding some methods.

Return: the corresponding #GTypeInterface structure of the parent type of the instance type to which @g_iface belongs, or %NULL if the parent type doesn't conform to the interface

class TypeInterface
peekParent
()

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