Whenever row changes or which row is before row changes this is called, which lets you update the header on row.
row
You may remove or set a new one via [methodGtk.ListBoxRow.set_header] or just change the state of the current header widget.
Gtk
the row to update
the row before row, or %NULL if it is first
row,
Whenever
row
changes or which row is beforerow
changes this is called, which lets you update the header onrow
.You may remove or set a new one via [method
Gtk
.ListBoxRow.set_header] or just change the state of the current header widget.