TTICheckListBox

For editing set of enumerated types. Let's assume that you have following definitions.

  type
     TMonth = (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec);
     TMonths = set of TMonth;
     TForm1 = class(TForm)
     private
        FMonths: TMonths;
     published
        property Months: TMonths read FMonths write FMonths;
     end;

You can use TTICheckListBox in following way.

     with TICheckListBox1.LInk do begin
         TIObject:= Form1;
         TIPropertyName := 'Months';
     end;