selectionContainsObject(_:)selectionContainsObject:selectionContainsObject_

Selection

• selection

  The selected elements in selection order.

• countOfSelection()countOfSelectioncountOfSelection

  The number of selected elements.

• setSelectionUndo(_:)setSelectionUndo:setSelectionUndo_

  Replaces the selection and registers the previous selection for undo.

• addSelection(_:)addSelection:addSelection_

  Adds an element to the selection if it is not already selected.

• addObjectsFromArray(toSelection:)addObjectsFromArrayToSelection:addObjectsFromArrayToSelection_

  Adds elements to the selection, preserving their order.

• replaceSelection(_:)replaceSelection:replaceSelection_

  Replaces the selection without registering undo.

• removeObjectFromSelection(at:)removeObjectFromSelectionAtIndex:removeObjectFromSelectionAtIndex_

  Removes the selected element at an index.

• removeObject(fromSelection:)removeObjectFromSelection:removeObjectFromSelection_

  Removes an element from the selection.

• removeObjects(fromSelection:)removeObjectsFromSelection:removeObjectsFromSelection_

  Removes elements from the selection.

• clearSelection()clearSelectionclearSelection

  Clears the selection without registering undo.

• clearSelectionUndo()clearSelectionUndoclearSelectionUndo

  Clears the selection and registers the previous selection for undo.