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Asked: 2026-05-11T04:59:16+00:00

When WSDL importer wizard generates the interfaces, all properties have the Index option, but

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When WSDL importer wizard generates the interfaces, all properties have the Index option, but reading the code and the InvokeRegistry unit, I can’t found what is that for, anyone know if it is really necessary?

Like this

  Login = class(TRemotable)   private     [...]    published     property User: string Index (IS_OPTN) read GetUser write SetUser stored User_Specified;     [...]   end;

I’m asking because I want to change this unit, adding some Interfaces to this classes, for integrate with MVP framework.

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1 Answer

  1. I found a more detailed explanation for this question, When using Indexes, several properties can share the same access methods.

    A good example, from Delphi 2009 Help:

    type     TRectangle = class       private         FCoordinates: array[0..3] of Longint;         function GetCoordinate(Index: Integer): Longint;         procedure SetCoordinate(Index: Integer; Value: Longint);       public         property Left: Longint index 0 read GetCoordinate write SetCoordinate;         property Top: Longint index 1 read GetCoordinate write SetCoordinate;         property Right: Longint index 2 read GetCoordinate write SetCoordinate;         property Bottom: Longint index 3 read GetCoordinate write SetCoordinate;         property Coordinates[Index: Integer]: Longint read GetCoordinate write SetCoordinate;         ...     end;

    Note, all properties shares the same method access.

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