alias Gtk::ListBoxUpdateHeaderFunc

Overview

Whenever row changes or which row is before row changes this is called, which lets you update the header on row.

You may remove or set a new one via Gtk::ListBoxRow#header= or just change the state of the current header widget.

Alias Definition

Gtk::ListBoxRow, Gtk::ListBoxRow? -> Nil

Defined in:

lib/gi-crystal/src/auto/gtk-4.0/gtk.cr