TreeSortable.connectSortColumnChanged

gulong connectSortColumnChanged(T)(T callback, Flag!"After" after = No.After)

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.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gtk.tree_sortable.TreeSortable treeSortable)` `treeSortable` the instance the signal is connected to (optional)
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID