Items in TComboBox überschreiben

[Bummi]

Über Classhelper oder Casts...

Delphi-Quellcode:

type
   TStrings=Class(Classes.TStrings)
    public
        procedure DeleteText(text:string);
        procedure DeleteDublicates;
    end;
  TForm1 = class(TForm)

...
 TStrings(Combobox1.Items).deletetext('Nase21');