gtk:alert-dialog-cancel-button (object)

object -- a gtk:alert-dialog object
button -- an integer with the new Cancel button

Accessor of the cancel-button slot of the gtk:alert-dialog class. The gtk:alert-dialog-cancel-button function returns the index of the Cancel button. The (setf gtk:alert-dialog-cancel-button) function sets the index of the Cancel button. See the cancel-button property for details of how this value is used.

Since 4.10