Xceed.Wpf.Toolkit.DateTimePicker.SetBlackOutDates C# (CSharp) Method

    private void SetBlackOutDates()
    {
      if( _calendar != null )
      {
        _calendar.BlackoutDates.Clear();

        if( ( this.Minimum != null ) && this.Minimum.HasValue && ( this.Minimum.Value != DateTime.MinValue ) )
        {
          DateTime minDate = this.Minimum.Value;
          _calendar.BlackoutDates.Add( new CalendarDateRange( DateTime.MinValue, minDate.AddDays( -1 ) ) );
        }
        if( ( this.Maximum != null ) && this.Maximum.HasValue && ( this.Maximum.Value != DateTime.MaxValue ) )
        {
          DateTime maxDate = this.Maximum.Value;
          _calendar.BlackoutDates.Add( new CalendarDateRange( maxDate.AddDays( 1 ), DateTime.MaxValue ) );
        }
      }
    }