Retrieves a boolean value indicating whether it is possible to have no date selected in the control.
public final boolean getShowNone()
Returns true if it is possible to have no date selected in the control; otherwise, returns false. When the showNone property is set to true, a check box appears to the left of the date. Until this check box is checked, the value of the control is -1, which indicates that no date is selected.
See Also setShowNone