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Latest threads

1. debugging faulty pointer

   Hello all I have an app I am writing for work, using fpgui and fpc v2.4.2 on Mandriva Linux 2010.1,and it appears to have a problem. If I compile it with -gh and -gc…

   TJJtim launchbury, Jonas Maebe, José Mejuto11-17-2010 19:31 UTC
   2
2. IInterface.QueryInterface, ._AddRef and ._Release definitions have been changed...

   Hi! I read http://wiki.freepascal.org/User_Changes_Trunk#IInterface.QueryInterface.2C_._AddRef_and_._Release_definitions_have_been_changed. What's the stable FPC version…

   UJUnknown author, Jonas Maebe11-17-2010 08:00 UTC
   1
3. Is it posible to implement more than one interface in a class defination?

   For example if there are two Interface : IinterfaceA,IinterfaceB can I implement these two interface in one class? Thanks pingyu

   YAFyu ping, Andrew Hall, Florian Klaempfl11-14-2010 21:02 UTC
   10
4. When do I need a component rather than a plain object?

   Does TObject have all the capabilities of TComponent apart from things like streaming and being used from the IDE component palette? I want to create an object which has…

   FMFrank Church, Michael Van Canneyt11-14-2010 18:19 UTC
   1
5. Corba Interfaces and IInterface query

   Below is an example of two interfaces I declared. Trying to implement them on a TObject subclass, I got a compiler error that IUnkown was not implemented in my subclass.…

   GFMGraeme Geldenhuys, Florian Klaempfl, Marco van de Voort11-14-2010 17:53 UTC
   18
6. MSEide+MSEgui rev.2.4

   MSEide+MSEgui version 2.4 for FPC 2.4.2 has been released: https://developer.berlios.de/project/showfiles.php?group_id=11520 Questions and bug reports please to mailing…

   MBGMartin Schreiber, Brian Winfrey, Graeme Geldenhuys11-14-2010 14:13 UTC
   13
7. FPC's behavior regarding new TObject methods

   Hello together! I've installed FPC 2.4.2 and after reading the page about the changes since 2.4.0, I've compiled Lazarus and noticed a warning in imglist.pp regarding a…

   SMPSven Barth, Michael Van Canneyt, Paul Ishenin11-13-2010 13:37 UTC
   4
8. Free Pascal 2.4.2 released!

   we have placed a new major release of the Free Pascal Compiler, version 2.4.2 on our ftp-servers. Changes that may break backwards compatibility are documented at:…

   MMarco van de Voort11-13-2010 09:49 UTC
   0
9. How to use ExtTextOut with Printer.Canvas.Handle on Gtk2

   When I use ExtTextOut with Printer.Canvas.Handle then function ends because of not valid DC and nothing is written to Canvas. I know that there os TextOut which works,…

   FFred Flinestone11-10-2010 20:53 UTC
   0
10. Unable to compile JSON SuperObject on FPC 2.5.1

    I am not able to compile JSON – SuperObject where compiler says this: .../superobject.pas(135,18) Error: No matching implementation for interface method…

    FJJFred Flinestone, Jonas Maebe, José Mejuto11-10-2010 13:56 UTC
    5
11. Win CE

    When developing for WinCE, is it possible to compile for DLL's or COM objects? I don't even know if COM objects exist on WinCE, so sorry if that part of the question…

    UFFUffe Kousgaard, Fantomas, Felipe Monteiro de Carvalho11-10-2010 11:41 UTC
    5
12. ZLIB

    For a Webserver I need to create the png graphics format. I want to use as little external components as possible. Has someone experience with the zlib format or…

    RAFRainer Stratmann, Adriaan van Os, Felipe Monteiro de Carvalho11-9-2010 09:31 UTC
    5
13. "Input Method Kit Framework" header translation in Pascal

    Is there a "*Input Method Kit Framework*" for Mac OsX 10.5 or later (reference here: http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/InputMethodKitF…

    MMehdi Hasan11-8-2010 16:39 UTC
    0
14. linker error when cross compile for arm

    I followed the wiki at: http://wiki.lazarus.freepascal.org/Setup_Cross_Compile_For_ARM After that, I can compile a hello world program for arm without problem, great!…

    MJMichael Fung, Jonas Maebe11-8-2010 03:20 UTC
    3
15. variables in class, class variables and fields

    Following the bug discovered in the class variables (on fpc devel), I actually would like to know the need (or usage) for variables and class variables in a class (I…

    IJJik, Jonas Maebe, José Mejuto11-7-2010 21:08 UTC
    8
16. Dynamic array as result of class method?

    I am trying to design a buffer handling class where I want to have a read function, which should return a result in the form of a byte array of varying length. Something…

    BJWBo Berglund, Jonas Maebe, Wimpie Nortje11-7-2010 19:03 UTC
    3
17. Is it posible to get a minimal installation of Lazarus?

    I want to set up Lazarus as FPC Editor and Debuger. But Lazarus installation is too big,How to install a minimal size of Lazarus?

    YGLyu ping, Graeme Geldenhuys, leledumbo11-7-2010 15:25 UTC
    3
18. Problems with "relocation errors"

    I often write shared library (DLL and SO). With DLL I have no serious problems, but with SO I often have "relocation R_X86_64_32S" error. If I use lazarus standard…

    KJLKrzysztof, Jonas Maebe, leledumbo11-7-2010 07:16 UTC
    6
19. Endian issues when porting FPC programs from x86 to other platforms

    I am writing a serial communications program, which will connect to a data acquisition instrument and download data. I am using FPC/Lazarus in order to make the program…

    BBFBo Berglund, Bernd Mueller, Felipe Monteiro de Carvalho11-5-2010 17:25 UTC
    15
20. GDB

    Hello Can anybody tell me how i can build fpc 2.5.1 with gdb support. I have ubuntu 10.10 with gdb 7.2 binary package installed , when i tried to 'make build' i got…

    ЕLЕвгений Семенов (Evgeniy Semenov, leledumbo11-5-2010 10:56 UTC
    1
21. TReader.ReadProperty

    i am trying to replace the code from delphi to fpc where the code looks like: TYPE THackReader =class(TReader); ... FReaderStream.Position := 0; {$IFDEF FPC} try…

    FBMFred Flinestone, Brian Winfrey, Michael Van Canneyt11-4-2010 16:46 UTC
    5
22. IntList

    Hi In Lazarus project jcf2 component has an IntList class which is poorly implemented. It depends on integer and pointer being the same size. I will later suggest to…

    JBFJuha Manninen (gmail, Brian Winfrey, Florian Klaempfl11-4-2010 14:03 UTC
    13
23. looking for a book - "XLIB Programming Manual Rel.5 Volume One"

    Anybody know where I can purchase this book in paper or eBook format? I emailed O'Reilly Customer Support, and they told me the book is out of print and they don't have…

    GJMGraeme Geldenhuys, José Mejuto, Marten Feldtmann11-4-2010 13:26 UTC
    3
24. ppc386 or ppcx64

    Hello Please can you tell me if : ppc386 in intend to be used on a i386 platform and ppcx64 on a 64bits platform regarless the type of app to build or both are intend to…

    JSJulien Devillers, Sven Barth11-4-2010 10:15 UTC
    3
25. Cross-Compiling win32 -> Linux 64, how to get the cross compiler ?

    Hello I'm working on a project which cross compile from win32 to linux64. Today it uses FPC-2.1.5. I need to move to fpc 2.4.0. I downloaded fpc-2.4.0.i386-win32.exe and…

    JJSJulien Devillers, Jonas Maebe, Sven Barth11-4-2010 08:51 UTC
    5
26. Text scan in text files - (was: Full text scan - PDF files)

    Ok Guys. I already know how convert PDF files in Text files. To search strings in Text files, which lib in FPC do you recommends? I need speed and the program is a…

    MADMarcos Douglas, Alberto Narduzzi, DaWorm11-3-2010 00:05 UTC
    24
27. How I can associate a text file name in UTF8?

    How I can associate a text file name in UTF8? Example: Assign (F, 'タスク 01.txt'); Assign (F, 'Задание 01.txt'); Assign (F, '♕ Queen.txt'); thanks

    LLuis Fernando Del Aguila Mejía11-3-2010 00:01 UTC
    0
28. TPLY

    I recently saw a semi working example of a Java to Delphi converter that was done with javacc. Unfortunately it would only convert simple java (v 1.4 maybe). Can anyone…

    BADBrian Winfrey, Adriaan van Os, David Riley11-1-2010 22:08 UTC
    20
29. Reading MDB (MS-Access) data under Linux

    I need to write a data conversion app. Has anybody read MDB data under Linux yet, using SqlDB? I saw there was a ODBC database component, and searched by Ubuntu…

    GAAGraeme Geldenhuys, Andreas Schneider, Artur Stuczynski11-1-2010 16:15 UTC
    6
30. TThread descendant with public events

    What is the rules regarding a TThread descendants and public events. I created a thread that has OnXXX events. These events are triggered in the Execute method of that…

    GMSGraeme Geldenhuys, Martin Schreiber, Sven Barth11-1-2010 09:19 UTC
    3

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