PhotoshopCC 2015.5
Enumeration

SelectionType

The selection behavior when a selection already exists.

Values

NameType AccessDescription
Int = 3 readonly Remove the selection from the already selected area.
Int = 2 readonly Add the selection to an already selected area.
Int = 4 readonly Make the selection only the area where the new selection intersects the already selected area.
Int = 1 readonly Replace the selected area.

Parameter of 4

Method parameters that accept an SelectionType value.