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Languages :: Pascal :: Free Pascal / FPC / Lazarus : Error: Undefined symbol: WSRegisterMenu
By: Bernard France  Date: 13/05/2010 09:07:31  French English  Points: 20 Status: Answered
Quality : Excellent
Bonjour,

je suis étudiant, et je travaille sous Lazarus.
Il y a toujours la même erreur qui revient à la compilation (même pour le plus simple programme possible):

MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomImageList MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterMenuItem MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterMenu MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterMainMenu MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterPopupMenu MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterDragImageList MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterWinControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterGraphicControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterScrollingWinControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterScrollBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomFrame MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomForm MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterHintWindow MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomScrollBar MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomGroupBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomComboBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomListBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomEdit MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomMemo MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterButtonControl MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomButton MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomCheckBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterToggleBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterRadioButton MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomStaticText MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomLabel MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomBitBtn MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomSpeedButton MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomPage MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomNotebook MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterShape MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomSplitter MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterPaintBox MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomImage MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterBevel MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomRadioGroup MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomCheckGroup MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomLabeledEdit MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomPanel MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCustomTrayIcon MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterCommonDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterFileDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterOpenDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterSaveDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterSelectDirectoryDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterColorDialog MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterColorButton MySMTP_ser.lpr(21,1) Error: Undefined symbol: WSRegisterFontDialog MySMTP_ser.lpr(21,1) Fatal: There were 50 errors compiling module, stopping

By: VGR Date: 13/05/2010 09:10:17 English  Type : Answer
the solution is difficult to google up.

It's here http://www.lazarus.freepascal.org/index.php/topic,7143.0.html : simply add the Interfaces unit to your uses clause, before (eventually) Forms.

Personally, mine (program doesn't use Forms) looks like this :

uses { standard or compatible units } Windows, Messages, SysUtils, Classes, Interfaces etc



HTH

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