HomeDelphiDelphi Error – E2572 RTTI visibility set constant expression of type System.TRttiVisibility expected

Delphi Error – E2572 RTTI visibility set constant expression of type System.TRttiVisibility expected

Delphi Compiler Error

E2572 RTTI visibility set constant expression of type System.TRttiVisibility expected

Reason for the Error & Solution

This occurs when using the $RTTI directive with expressions that are not from System.TRttiVisibility.

program E2572;

{$APPTYPE CONSOLE}

uses
  SysUtils;

type
  {$RTTI INHERIT METHODS(vtInteger)} //E2572
  TClass1 = class
    A: String;
  end;

  {$RTTI INHERIT FIELDS(vtInteger)} //E2572
  TClass2 = class
    A: String;
  end;

  {$RTTI INHERIT PROPERTIES(vtInteger)} //E2572
  TClass3 = class
    A: String;
  end;
begin

end.

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