Habanero.Faces.Win.DateTimePickerControllerWin.ApplyBlankFormat C# (CSharp) Method

        private bool ApplyBlankFormat()
        {
            if (IsNull()) return false;
            if (!CheckBoxVisible)
            {
                _displayBox.Visible = true;
            }
            else
            {
                _displayBox.Visible = false;
                CheckBoxChecked = false;
            }
            _isNull = true;
            return true;
        }