Microsoft KB Archive/912461

= FIX: You cannot obtain information about specific events when you program against the DVD Nav control in Windows XP =

Article ID: 912461

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

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SYMPTOMS
When you program against the DVD Nav DVD Navigator control in Microsoft Windows XP, you cannot obtain information about the following events:
 * VTS Number
 * PGC Number
 * Program Number
 * Cell Number



CAUSE
This problem occurs because change notification for these events was not exposed to developers.



RESOLUTION
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

The following file is available for download from the Microsoft Download Center:

Download the WindowsXP-KB912461-x86-ENU.exe package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

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The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
Note Developers who program against the DVD Navigator object model must have updated header files to program against these new events.

This hotfix enables the DVD_NotifyPositionChange flag for the IDvdControl2::SetOption method. This flag causes the following events to be fired: EC_DVD_PROGRAM_CELL_CHANGE // Parameters: ( ULONG, ULONG ) // Sent when current program ID or cell ID change // lParam1 contains the new Program ID // lParam2 contains the new Cell ID

EC_DVD_TITLE_SET_CHANGE // Parameters: ( BYTE, void ) // Sent when current VTS (Video Title Set) changes // lParam1 contains the new VTSN (Video Title Set Number)

EC_DVD_PROGRAM_CHAIN_CHANGE // Parameters: ( WORD, void ) // Sent when current PGC (Program Chain) changes // lParam1 contains the new PGCN (Program Chain Number)

Additional query words: QDVD DVDNav CurrentPosition PGC VTS

Keywords: kbfix kbqfe kbhotfixserver KB912461

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