Retrieves a boolean value that indicates whether the check box supports a third, indeterminate state in addition to the checked and unchecked states.
public final boolean getThreeState()
Returns true if the check box supports an indeterminate state (indicated by a shaded appearance); returns false if the check box supports only the checked and unchecked states.
The indeterminate state, which is visually represented by a shaded appearance, has a value equal to the CheckState.INDETERMINATE constant.
See Also setThreeState