onBind

fun onBind(connectFlags: ConnectFlags = ConnectFlags(0u), handler: (instance: Object) -> Unit): <Error class: unknown class>(source)

This signal is emitted when #GSignalGroup:target is set to a new value other than null. It is similar to #GObject::notify on target except it will not emit when #GSignalGroup:target is null and also allows for receiving the #GObject without a data-race.

Since

2.72

Parameters

connectFlags

a combination of ConnectFlags

handler

the Callback to connect. Params: instance a #GObject containing the new value for #GSignalGroup:target