signal callback delegate or function to connect
void callback(gtk.tree_sortable.TreeSortable treeSortable)
treeSortable the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to SortColumnChanged signal.
The ::sort-column-changed signal is emitted when the sort column or sort order of sortable is changed. The signal is emitted before the contents of sortable are resorted.