override_class_handler


Description:

[ Version ( since = "2.18" ) ]
public static void override_class_handler (string signal_name, Type instance_type, Callback class_handler)

Overrides the class closure (i.

e. the default handler) for the given signal for emissions on instances of instance_type with callback class_handler . instance_type must be derived from the type to which the signal belongs.

See chain_from_overridden and chain_from_overridden_handler for how to chain up to the parent class closure from inside the overridden one.

Parameters:

signal_name

the name for the signal

instance_type

the instance type on which to override the class handler for the signal.

class_handler

the handler.




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