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comparison dwt/events/HelpListener.d @ 0:380af2bdd8e5

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author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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1 /*******************************************************************************
2 * Copyright (c) 2000, 2003 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 module dwt.events.HelpListener;
12
13 import dwt.dwthelper.utils;
14
15 import dwt.internal.DWTEventListener;
16
17 /**
18 * Classes which implement this interface provide a method
19 * that deals with the event that is generated when help is
20 * requested for a control, typically when the user presses F1.
21 * <p>
22 * After creating an instance of a class that implements
23 * this interface it can be added to a control using the
24 * <code>addHelpListener</code> method and removed using
25 * the <code>removeHelpListener</code> method. When help
26 * is requested for a control, the helpRequested method
27 * will be invoked.
28 * </p>
29 *
30 * @see HelpEvent
31 */
32 public interface HelpListener extends DWTEventListener {
33
34 /**
35 * Sent when help is requested for a control, typically
36 * when the user presses F1.
37 *
38 * @param e an event containing information about the help
39 */
40 public void helpRequested(HelpEvent e);
41 }