Habanero.Faces.Base.DateTimePickerManager.ApplyValueFormat C# (CSharp) Method

        private bool ApplyValueFormat()
        {
            _nullDisplayBox.Visible = false;
            if (!IsNull()) return false;
            if (CheckBoxVisible)
            {
                CheckBoxChecked = true;
            }
            _isNull = false;
            return true;
        }