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The Pocket or Mobile Internet Explorer

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26 Feb 2010CPOL
Some information about Internet Explorer running on Windows Mobile

Unfortunately, there is no in depth information about the Pocket or Mobile Internet Explorer (PIE) compatibility. So I can only give some suggestions. But I hope this information will help you to get started and not run into trouble. First, although Microsoft states that PIE is compatible with Internet Explorer 4.1, 5.0, 5.5 or 6.0, depending on the OS level you run on a Windows CE based device, this is only a general statement:

Pocket Internet Explorer has been updated to support the following:

HTML 4.01
Extensible HTML (XHTML)
Cascading style sheets
Microsoft Jscript® version 5.5
Enhanced scripting and Document Object Model support
Wireless Markup Language (WML) 2.0 (XHTML + WML 1.x)
Internet Protocol version 6 (IPv6) in IPv4/IPv6 mixed-mode environments
New extensible imaging library

From TechEd Powerpoint

HTML 3.2 Compliant
JavaScript 1.1 compliant
XML Object Model
Active X support (no download!)
HTML 3.2-based object model
   Not the IE4 OM
Core script support:
   Scripting against FORM elements
   Scripting against the XML OM<
Not supported:
   Dynamic frameset creation
   Dynamic script generation

If you try some more special functions of the desktop IE versions, you will find the limits very fast. In example, the OnKey() event is not supported in any of the actual CE OS versions (<=6). XML Dataislands support is very limited.

With AJAX and Windows CE 6, Microsoft will implement more and more features needed by the new WEB 2.0 hype sites. So we hope for more and better support of the object model and JScripts in future versions.

Unsorted Sources of Information

Some information I collected:

Javascript Error Reporting

During your tests, you should always switch JavaScript error reporting to enabled. For that, create/change a registry entry:

[HKEY_CURRENT_USER’Software’Microsoft’Internet Explorer’Main]

Alternative Browsers

Although there are many special browsers for PocketPC devices, most of them are only programmed on top of the PIE engine and extend the object model more, less or not. If you would like to get a more desktop like browser, from the programming point of view, you should try the following ones:

  • NetFront (comes with a better documentation about what it supports and what not)
  • Minimo (free, opensource mozilla for mobile devices)
  • Opera mobile (always a better, more compatible browser?)

Playing WAV Files

<!--<span class="code-comment"> <bgsound src="file://’windows’asterisk.wav" loop="infinite"> --></span>
<!--<span class="code-comment"> use refresh to return to page --></span>
        <object type="audio/x-wav" 

	data="file://’windows’asterisk.wav" width="1" height="1">
        <param name="FileName" value="file://’windows’asterisk.wav">
        <param name="hidden" value="true">
        <param name="loop" value="false">
        <param name="numloop" value="2">
<noembed> <p>Could not embed wav file!</p> </noembed>
<embed src="file://’windows’asterisk.wav" width="1" height="1" 

	hidden="true" type="audio/x-wav">
<a href="javascript:document.embeds[0].play()">Starten</a>

Printing with ITC ActiveX Control

Source and doc

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Technical Blog
Posted 26 Feb 2010

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