mirror of
				https://gitlab.com/freepascal.org/lazarus/lazarus.git
				synced 2025-10-31 18:01:44 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			62 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|  ***************************************************************************
 | |
|  *                                                                         *
 | |
|  *   This source is free software; you can redistribute it and/or modify   *
 | |
|  *   it under the terms of the GNU General Public License as published by  *
 | |
|  *   the Free Software Foundation; either version 2 of the License, or     *
 | |
|  *   (at your option) any later version.                                   *
 | |
|  *                                                                         *
 | |
|  *   This code is distributed in the hope that it will be useful, but      *
 | |
|  *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
 | |
|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 | |
|  *   General Public License for more details.                              *
 | |
|  *                                                                         *
 | |
|  *   A copy of the GNU General Public License is available on the World    *
 | |
|  *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also      *
 | |
|  *   obtain it by writing to the Free Software Foundation,                 *
 | |
|  *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.        *
 | |
|  *                                                                         *
 | |
|  ***************************************************************************
 | |
| 
 | |
|   Author: Mattias Gaertner
 | |
| 
 | |
|   Abstract:
 | |
|     Demonstrating, how to add a method to a class and extending the uses section.
 | |
| }
 | |
| program AddEventMethod;
 | |
| 
 | |
| {$mode objfpc}{$H+}
 | |
| 
 | |
| uses
 | |
|   Classes, SysUtils, CodeCache, CodeToolManager, SimpleUnit1, FileProcs,
 | |
|   CodeToolsConfig, CodeCompletionTool, ExtCtrls, Interfaces;
 | |
|   
 | |
| const
 | |
|   ConfigFilename = 'codetools.config';
 | |
| var
 | |
|   Filename: string;
 | |
|   Code: TCodeBuffer;
 | |
| begin
 | |
|   CodeToolBoss.SimpleInit(ConfigFilename);
 | |
| 
 | |
|   // load the file
 | |
|   Filename:=ExpandFileName('scanexamples/addeventexample.pas');
 | |
|   Code:=CodeToolBoss.LoadFile(Filename,false,false);
 | |
|   if Code=nil then
 | |
|     raise Exception.Create('loading failed '+Filename);
 | |
| 
 | |
|   // Example 1: add a method compatible to TTabChangingEvent
 | |
|   // TTabChangingEvent is used in ComCtrls, but defined in ExtCtrls.
 | |
|   // The codetools will search TTabChangingEvent and will add ExtCtrls to the
 | |
|   // uses section.
 | |
|   if CodeToolBoss.CreatePublishedMethod(Code,'TForm1','NewMethod',
 | |
|     typeinfo(TTabChangingEvent),false,'ComCtrls') then
 | |
|   begin
 | |
|     writeln('Method added: ');
 | |
|     writeln(Code.Source);
 | |
|   end else begin
 | |
|     raise Exception.Create('Adding method failed');
 | |
|   end;
 | |
| end.
 | |
| 
 | 
