gtk:tree-selection-mode (object)

object -- a gtk:tree-selection object
mode -- a gtk:selection-mode value

Accessor of the mode slot of the gtk:tree-selection class. The gtk:tree-selection-mode function gets the current selection mode of the selection. The (setf gtk:tree-selection-mode) function sets the selection mode. If the previous mode was :multiple, then the anchor is kept selected, if it was previously selected.