unit _TreeElement;
interface


type
  TTreeElement = class
      FConnectionID: Integer;
      function GetChildCount: Integer; virtual; abstract;
      function GetChild(ID: Integer): TTreeElement; virtual; abstract;
      function GetCaption: String; virtual; abstract;
    private
    public
      property ChildCount: Integer read GetChildCount;
      property Child[ID: Integer]: TTreeElement read GetChild;
      property Caption: String read GetCaption;
  end;

implementation

end.