connectCustomItemActivated
fun connectCustomItemActivated(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (itemName: String) -> Unit): <Error class: unknown class>
Emitted when a custom item is activated.
Use method@Gtk.AppChooserButton.append_custom_item, to add custom items.
Parameters
connectFlags
A combination of ConnectFlags
handler
the Callback to connect. Params: itemName the name of the activated item