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- { %norun }
- program a;
- {$ifdef FPC}
- {$mode delphi}
- {$endif}
- type
- TBase=class
- private
- fData:string;
- procedure Setdata(ndx:integer;const s:string);
- function GetData(ndx:integer):string;
- function OldIsStored(ndx:integer):boolean;
- public
- property Data:string index 0 read GetData write SetData stored OldIsStored;
- end;
-
- TDerived=class(TBase)
- private
- function IsDataStored(ndx:integer):boolean;
- published
- property Data stored IsDataStored;
- end;
-
-
- procedure TBase.Setdata(ndx:integer;const s:string);
- begin
- if ndx=0 then fData:=s;
- end;
-
- function TBase.GetData(ndx:integer):string;
- begin
- if ndx=0 then
- Result:=fData
- else
- Result:='';
- end;
-
- function TBase.OldIsStored(ndx:integer):boolean;
- begin
- Result:=ndx>1;
- end;
-
-
-
- function TDerived.IsDataStored(ndx:integer):boolean;
- begin
- Result:=ndx=0;
- end;
-
-
- begin
- end.
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