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Hierarchy

  • SignalEmissionHook

Callable

  • A simple function pointer to get invoked when the signal is emitted.

    Emission hooks allow you to tie a hook to the signal type, so that it will trap all emissions of that signal, from any object.

    You may not attach these to signals created with the %G_SIGNAL_NO_HOOKS flag.

    Parameters

    • ihint: SignalInvocationHint

      Signal invocation hint, see #GSignalInvocationHint.

    • paramValues: any[]

      the instance on which the signal was emitted, followed by the parameters of the emission.

    • data: object

      user data associated with the hook.

    Returns boolean

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