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Report From: Delphi-BCB/Compiler/Delphi/Generics [ Add a report in this area ]

Report #: 103129

Status: Closed

F2084 Internal Error: URW1147 calling TValue.From<T>

Project: Delphi

Build #: 16.0.4358.45540

Version: 16.3

Submitted By: David Heffernan

Report Type: Crash / Data loss / Total failure

Date Reported: 2/3/2012 4:54:02 AM

Severity: Critical / Show Stopper

Last Updated: 9/5/2012 8:01:24 PM

Platform: All versions

Internal Tracking #: 289760

Resolution: Fixed (Resolution Comments)

Resolved in Build: : 17.0.4625.53395

Duplicate of: None

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Overall Rating: (1 Total Rating)

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Total Votes: 1

Description

F2084 Internal Error: URW1147 calling TValue.From<T>

Steps to Reproduce:

Add the following code to a project.  Compilation results in F2084 Internal Error: URW1147

The problem occurs in both Windows compilers but strangely does not arise when the code is placed in a .dpr file.

unit YetAnotherGenericsInternalErrorICannotBelieveWeAreStillSufferingThis;

interface

uses
  System.Rtti, Vcl.StdCtrls;

type
  TMyTrivialClass = class
    procedure MyMethod;
  end;

implementation

procedure TMyTrivialClass.MyMethod;
var
  ctx: TRttiContext;
begin
  ctx.GetType(TButton).GetProperty('Style').SetValue(nil, TValue.From<TButton.TButtonStyle>(bsSplitButton));
end;

end.

Workarounds

None

Attachment

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