org.symbian.wrttools.doc.WRTKit/html/WRTKit_Using_buttons-GUID-8b14cec9-92cc-4bde-83c2-ad0a30a84942.html
--- a/org.symbian.wrttools.doc.WRTKit/html/WRTKit_Using_buttons-GUID-8b14cec9-92cc-4bde-83c2-ad0a30a84942.html Fri Mar 05 19:11:15 2010 -0800
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-<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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-<meta name="copyright" content="(C) Copyright 2005" />
-<meta name="DC.rights.owner" content="(C) Copyright 2005" />
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-<meta name="DC.Title" content="Using buttons" />
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-<title>
-Using buttons</title>
-</head>
-<body id="GUID-8B14CEC9-92CC-4BDE-83C2-AD0A30A84942"><a name="GUID-8B14CEC9-92CC-4BDE-83C2-AD0A30A84942"><!-- --></a>
-
-
-
- <h1 class="topictitle1">
-Using buttons</h1>
-
- <div>
-
- <p>
-
- You can let users trigger actions by placing a FormButton or
- NavigationButton control in a view. Use FormButtons for actions that
- start some process and NavigationButton controls for situations
- where pressing the button should take the viewer to another view.
- </p>
-
- <div class="fignone" id="GUID-8B14CEC9-92CC-4BDE-83C2-AD0A30A84942__GUID-B008BB2B-C5B2-446D-BCED-2824528CF7CC"><a name="GUID-8B14CEC9-92CC-4BDE-83C2-AD0A30A84942__GUID-B008BB2B-C5B2-446D-BCED-2824528CF7CC"><!-- --></a><span class="figcap">Figure 1.
-FormButton controls</span>
-
-
- <br /><img src="FormButton_Controls_Screenshot_1.png" /><br />
- </div>
-
- <p>
-
- You can find out when a button has been pressed by registering a
- callback function as an event listener to the button. The event type
- for button presses is "ActionPerformed". You can use whatever name
- you like for the callback function. The function is passed the event
- object as an argument. A typical callback function looks like this:
- </p>
-
-<pre>
-
-// Callback function for button presses.
-function buttonPressed(event) {
- // implement what happens when the button is pressed here
-}
-</pre>
-
- <p>
-
- Creating a button, registering the event listener and adding the
- button to a view is demonstrated below. The example creates a
- FormButton:
- </p>
-
-<pre>
-
-// create button
-var button = new FormButton("button1", "Press me!");
-button.addEventListener("ActionPerformed", buttonPressed);
-exampleView.addControl(button);
-</pre>
-
- <p>
-
- Note that the example assumes that a view has already been created
- and that the "exampleView" variable refers to that view. "button1"
- is a unique identifier for the button that allows it to be identified
- for example if several different controls are using a shared event
- listener function. The event listener function could examine the event
- object and check the identifier of the source control for the event.
- </p>
-
- </div>
-
-<div>
-<div class="familylinks">
-<div class="parentlink"><strong>Parent topic:</strong> <a href="WRTKit_Common_WRTKit_tasks-GUID-24870895-4449-4307-9a54-7c90f7b3905e.html">Common WRTKit tasks</a></div>
-</div>
-</div>
-
-</body>
-</html>
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