The states of an AccessibleNode, as GetStates(AccessibleNode) reports them.
[Flags]
public enum AccessibleStates
Spec #33 viewer capability 8.
kind:method, kind:property, kind:ctor. Press Esc to clear.CheckedA check box or radio button that is on.DisabledA control that cannot be used.FocusableThe node can take the accessible focus.FocusedThe node has the accessible focus.NoneNo state.OffscreenThe node is outside the viewport, or the bridge has no viewport yet.ReadOnlyA control whose value cannot be changed.RequiredA control that must have a value.