Internet Protocol Version 6 (IPv6)

Windows CE 5.0 adds support for Dynamic Host Configuration Protocol for IPv6, called DHCPv6 Lite, that passes configuration data to devices in a TCP/IPv6 network

DHCPv6 Lite can obtain prefix, DNS server, and domain search list options from a DHCPv6 server for a network card configured to use DHCPv6. This protocol can also assign prefixes, based on the obtained prefix, to specific network cards, if configured.

For more information, see TCP/IP and the DHCP Client and Adding IPv6 Support to the Gateway.

Windows CE 5.0 adds the USB Flash Config tool, which provides a way to automate the configuration of wireless local area networks (WLANs) that support Native Wi-Fi access point and Native Wi-Fi station. The tool uses a subset of an XML schema supported in Microsoft Windows XP with Service Pack 2.

For more information, see USB Flash Config Tool.

Parental Controls

Windows CE 5.0 adds parental controls, which allow administrators of private networks to create rules to block objectionable Web sites, which prevents specific users from accessing the content.

For more information, see Parental Controls.

Web Proxy

Windows CE 5.0 adds Web Proxy, which provides a service for filtering HTTP requests and responses. It also optionally includes a Parental Controls filter, which enables parents to block objectionable Web sites, thereby preventing children from accessing the content.

Windows CE 5.0 supports the Peer Name Resolution Protocol (PNRP), which provides server-less name resolution. You can use PNRP to create peer-to-peer networking applications.

For more information, see Peer-to-Peer Networking.

Universal Plug and Play (UPnP)

Windows CE 5.0 adds the following UPnP functionality:

• 
  UPnP AV Framework, which provides a C++ framework and API to enable original equipment manufacturers (OEMs) to build devices that conform to the UPnP Audio/Video Device Control Protocol (DCP)
  
• 
  The IUPnPDeviceDocumentAccess interface
  

Windows CE 5.0 adds power-down thread functionality that allows drivers to perform the following operations:

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  Use a critical section to protect hardware
  
• 
  Set breakpoints in the power handler
  
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  Call any APIs as long as doing so does not block on anything other than critical sections and mutexes
  

The addition of this functionality resolves some issues in Windows CE .NET 4.2 and earlier where only some APIs could be called in the driver's power handler function. Examples included DEBUGMSG, SetPowerOnEvent, and SetInterruptEvent. In these earlier versions, it was difficult to debug the power handler other than by using DEBUGMSG, which risked powering down hardware that other threads were using.

Windows CE 5.0 adds a variable tick scheduler that enables OEMs to generate a timer interrupt only when required by the Windows CE scheduler. Currently, Windows CE requires timer interrupts to be generated every millisecond.

The variable tick scheduler has the following advantages:

• 
  Improved scheduler performance
  

• 
  Power savings
  

• 
  A variable tick scheduler that is backward-compatible
  

For the countdown style timer, the hardware must support updating the count-remaining register.

In Windows CE 5.0, the kernel and the scheduler support up to 64 system interrupt (SYSINTR) identifiers, in contrast to Windows CE .NET 4.2, which supports a maximum of 32 SYSINTR identifiers.

In Windows CE 5.0, you can write interrupt service routines (ISRs) in the C programming language for MIPS and SH4 microprocessors.

In Windows CE 5.0, instead of loading run-time images from flash memory, you can load them directly from the flat release directory without re-imaging or re-flashing your target device. This functionality enables rapid editing, building, and debugging scenarios in the sources and dirs implementation that is new in Windows CE 5.0.

In Windows CE 5.0 adds support for a 36-bit address space in the CreateStaticMapping function, which creates a static virtual memory address that maps to a physical address.

Windows CE 5.0 adds the following kernel functions:

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  CeHeapCreate
  

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  GetThreadCallStack
  

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  CeSetMemoryAttributes
  

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  SetJITDebuggerPath
  

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  ReportFault
  

Device Management

Windows CE 5.0 adds the following Device Management functionality:

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  A default Hypertext Transfer Protocol Secure (HTTPS) connection
  

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  Checkpoint Restart
  

• 
  Device Management client enhancements, which include the following functionality:
  
  • 
    Additional status messages to a server
    
  • 
    Network tracking status to ensure that tasks execute as expected
    
  • 
    Improved task scheduling, which calculates the task-time intervals independent of failures and retry attempts
    
  • 
    An option to execute only commands that are issued after installation of a package
    

• 
  Support for the runasync script command
  

• 
  These enhancements ensure better partnership with Microsoft Systems Management Server (SMS) using the Device Management Feature Pack.
  

Windows CE 5.0 adds EDB, an embedded database engine that provides core storage functionality for a Windows CE-based application. EDB is an enhanced version of the Windows CE database (CEDB).

Using EDB, you can create an object store that can contain multiple databases. The object store is file-based and can be easily copied or moved. EDB supports the following functionality:

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  Transactions
  
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  Access by multiple users
  
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  Multiple sort orders, key properties, and databases
  
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  Enhanced performance, especially with large databases
  

In Windows CE 5.0, the FSG Manager can link to the Cache Manager, which is a .lib file that provides disk caching to file systems. Cache Manager allows disk caching to be used by any file system, including a custom file system. The file system interfaces with the cache through the FSD manager, and the cache interfaces with the disk. For more information, see Cache Manager.

The volatile registry key allows registry keys to not be preserved after the operating system reboots. Windows CE 5.0 adds two new values for the dwOption parameter of the RegCreateKeyEx function to support this:

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  REG_OPTION_NON_VOLATILE
  
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  REG_OPTION_VOLATILE
  

Windows CE 5.0 adds the following file system functions:

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  CopyFileEx
  

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  CeGetVolumeInfo
  

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  LockFileEx
  

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  UnlockFileEx
  

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  RegNotifyChangeKeyValue
  

Fonts

Windows CE 5.0 adds the EnumFontFamiliesEx function, which enumerates all fonts in the system that match the font characteristics specified by the LOGFONT structure. EnumFontFamiliesEx enumerates fonts based on typeface name, character set, or both.

Graphics and Multimedia Technologies

AlphaBlend and GradientFill

Windows CE 5.0 adds the AlphaBlend function to the Graphics Device Interface (GDI). AlphaBlend displays bitmaps that have transparent or semitransparent pixels.

In Windows CE 5.0, you can individually add, or exclude, the AlphaBlend API and Gradient Fill Support Platform Builder Catalog items in your OS design.

Direct3D Mobile

Windows CE 5.0 adds Direct3D Mobile, which provides support for 3-D graphics applications on Windows CE-based platforms. Direct3D Mobile is derived from the Direct3D API found on Microsoft Windows-based desktop systems, but optimized for use on embedded systems.

The following are key aspects of Direct3D Mobile:

• 
  In comparison to Direct3D for Windows-based desktop systems, the footprint for Direct3D Mobile is greatly reduced. This is a result of eliminating support for 3-D graphics capabilities not available in embedded devices because of limited hardware and power.
  
• 
  The driver architecture allows you to implement driver solutions that are pure software, pure hardware, or a blend of software and hardware.
  
• 
  Direct3D Mobile is built around a type-agnostic architecture. In addition to floating point values, Direct3D Mobile supports fixed-point values that follow the 16.16 fixed-point format.
  

Windows CE 5.0 supports encoding and decoding still images using common compression formats, such as JPEG and GIF. That functionality is provided by the Imaging API.

For more information and a complete list of supported still-image codecs, see Imaging.

Windows Media

Windows CE 5.0 introduces support for additional Windows Media 9 Series audio and video decoders. The following decoders are supported:

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  Windows Media Audio Lossless
  
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  Windows Media Audio Pro
  
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  Windows Media Video Advanced Profile
  

Windows CE 5.0 does not support DirectSound. All audio applications must now use Waveform Audio.

Windows CE 5.0 does not provide a MIDI filter for DirectShow. Third party solutions for MIDI support through DirectShow are still possible, however.

International

Simplified Chinese MSPY 3.0 IME

Windows CE 5.0 supports the Microsoft Pinyin (MSPY) Input Method Editor (IME) 3.0 for Simplified Chinese. MSPY 3.0 is a sentence-based input method that uses an intelligent, bigram-based language model and has a self-learning capability with a high degree of accuracy.

MSPY 3.0 provides the following functionality:

• 
  Support for selecting one of three lexical databases
  
• 
  Inclusion of a 3-D large ShuangPin touch screen and a 2-D small ShuangPin touch screen that significantly reduce user input strokes and errors
  
• 
  Inclusion of an End User Defined Phrases (EUDP) dictionary
  
• 
  Additional configuration options for OEMs, such as setting a vertical or horizontal candidate list
  

Complex Scripts are languages whose printed form is not rendered in a simple way. For example, a Complex Script language might allow bidirectional rendering, contextual shaping of glyphs, or combining characters. Due to these special requirements, extra processing is required and the control of text output must be very flexible.

Windows CE 5.0 adds the following Complex Scripts functionality:

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  One keyboard layout driver per locale
  
• 
  A Uniscribe scripting engine
  

• 
  Mirroring of the user interface for Arabic and Hebrew
  
• 
  Support for Complex Scripts in graphics device interface (GDI) and Graphics, Windowing, and Events Subsystem (GWES)
  
• 
  Support for Complex Scripts in common controls
  
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  Content rendering and intrinsic control in Microsoft Internet Explorer 6 for Windows CE
  
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  Fonts that support Complex Scripts
  
• 
  A sample shell that mirrors the Windows CE Standard Shell
  
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  Support for run-time images for the following locales:
  
  • 
    Arabic
    
  • 
    Gujarati
    
  • 
    Hebrew
    
  • 
    Hindi
    
  • 
    Kannada
    
  • 
    Marathi
    
  • 
    Punjabi
    
  • 
    Tamil
    
  • 
    Telugu
    
  • 
    Thai
    

Windows CE 5.0 introduces the concept of multiple input languages. Multiple keyboard layouts and Input Method Editors (IMEs) can be installed on a device. This can be implemented in a run-time image that has only one UI language or in a Multilingual User Interface (MUI) run-time image.

Supporting multiple input language provides the following functionality:

• 
  One preloaded keyboard
  

• 
  One preloaded IME
  

• 
  A dynamic keyboard layout language that can be changed through the Taskbar and shortcut keys
  
• 
  Support for per process and thread keyboard layouts
  
• 
  An input language registry structure that includes the MUI-friendly value, Layout Display Name, to support localized display names
  
• 
  A Regional and Language Settings application in Control Panel that provides the Input Language dialog box to support the following end user options:
  
  • 
    Adding and removing input languages from the preloaded list
    
  • 
    Changing the default keyboard layout language with a soft reset
    
  • 
    Changing the preloaded Input Method Editor with a soft reset
    

Windows CE 5.0 supports more than one East Asian language in MUI configurations. Font linking ensures that East Asian languages that share the Unicode CJK range draw the correct glyph shapes from the appropriate font based on the language in the UI.

Windows CE 5.0 adds a unified East Asian edit control, which allows you to include more than one East Asian language in a run-time image.

Windows CE 5.0 adds the following NLS functionality:

• 
  LCMapString, which supports LCMAP_LINGUISTIC_CASIN
  

• 
  Additional LCTYPE constants:
  
  • 
    LOCALE_SCOUNTRY, which provides support for the full localized name of the country/region.
    
  • 
    LOCALE_SLANGUAGE, which provides support for the full localized name of the language.
    
  • 
    LOCALE_IDIGITSUBSTITUTION, which determines the shape of the digits.
    

• 
  For more information, see LCTYPE Constants.
  
• 
  Additional flags for GetDateFormat:
  
  • 
    DATE_LTREADING, which adds marks for left-to-right reading layout.
    
  • 
    DATE_RTREADING, which adds marks for right-to-left reading layout.
    

Windows CE 5.0 adds the following functionality to Internet Explorer 6 for Windows CE:

• 
  Filters and transitions, which let you add visual effects to Web page content
  

• 
  Theme support, which lets you apply the Windows XP visual style to the intrinsic Internet Explorer for Windows CE controls such as scrollbars, buttons, and the edit box
  

• 
  Audio cues while browsing, which lets you configure the browser to play a sound file while navigating between Web pages
  

• 
  IESAMPLE enhancements
  

• 
  A replaceable WinInet user interface, which includes a procedure to implement IsDialogBoxHandled for handling errors related to the security certificate
  

• 
  Remote procedure call (RPC) DCOM support, which provides Internet Explorer RPC support to enable the browser parent window to communicate with its child windows if the child window is opened by using the Open method of the window object
  

• 
  A customizable font range, which enables custom mapping of HTML and CSS font sizes to your own font sizes
  

• 
  XML data islands, which allow you to use scripting with an XML document without having to load the XML document through a script or an
  
  
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