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FIX: An "Access Violation" exception may occur when some waveform audio functions are called on a Windows Embedded Compact 7-based device

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have a Windows Embedded Compact 7-based device that has four wave audio device drivers installed.
  • You have an application that has already loaded three of the wave audio device drivers.
  • The application loads the fourth wave audio device driver and then unloads it.
  • The application calls any of the following waveform audio functions:
    • waveInGetDevCaps
    • waveInGetProperty
    • waveInMessage
    • waveInOpen
    • waveInSetProperty

In this scenario, an "Access Violation" exception may occur.

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Cause

This problem occurs because of an issue in the waveform audio functions that causes the system to visit a NULL reference object when the function is called.

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Resolution

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update February 2012. In the "File information" section, the package file name contains the processor type.

Note This Windows Embedded Compact 7 Monthly Update is available for download from the following Microsoft Download Center website:
Windows Embedded Compact 7 Updates

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:
  • On the Build menu, click Clean Solution, and then click Build Solution.
  • On the Build menu, click Rebuild Solution.
You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package 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 item in Control Panel.

Files that are included in this update package
File nameFile sizeDateTimePath
Audevman.lib142,61216-Feb-201220:28Public\Common\Oak\Lib\Armv5\Checked
Audevman.lib159,15216-Feb-201220:28Public\Common\Oak\Lib\Armv5\Debug
Audevman.lib124,06416-Feb-201220:28Public\Common\Oak\Lib\Armv5\Retail
Audevman.lib142,62016-Feb-201220:28Public\Common\Oak\Lib\Armv6\Checked
Audevman.lib159,16016-Feb-201220:28Public\Common\Oak\Lib\Armv6\Debug
Audevman.lib124,07216-Feb-201220:28Public\Common\Oak\Lib\Armv6\Retail
Audevman.lib142,53416-Feb-201220:29Public\Common\Oak\Lib\Armv7\Checked
Audevman.lib159,06616-Feb-201220:29Public\Common\Oak\Lib\Armv7\Debug
Audevman.lib123,99816-Feb-201220:29Public\Common\Oak\Lib\Armv7\Retail
Audevman.lib139,47016-Feb-201220:29Public\Common\Oak\Lib\Mipsii\Checked
Audevman.lib153,49016-Feb-201220:29Public\Common\Oak\Lib\Mipsii\Debug
Audevman.lib120,69416-Feb-201220:29Public\Common\Oak\Lib\Mipsii\Retail
Audevman.lib139,52416-Feb-201220:29Public\Common\Oak\Lib\Mipsii_fp\Checked
Audevman.lib153,54416-Feb-201220:29Public\Common\Oak\Lib\Mipsii_fp\Debug
Audevman.lib120,74216-Feb-201220:29Public\Common\Oak\Lib\Mipsii_fp\Retail
Audevman.lib126,13416-Feb-201220:30Public\Common\Oak\Lib\Sh4\Checked
Audevman.lib136,97416-Feb-201220:30Public\Common\Oak\Lib\Sh4\Debug
Audevman.lib110,33616-Feb-201220:30Public\Common\Oak\Lib\Sh4\Retail
Audevman.lib123,24416-Feb-201220:30Public\Common\Oak\Lib\X86\Checked
Audevman.lib127,00616-Feb-201220:30Public\Common\Oak\Lib\X86\Debug
Audevman.lib103,88016-Feb-201220:30Public\Common\Oak\Lib\X86\Retail

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References

For more information about the waveform audio functions, visit the following Microsoft Developer Network (MSDN) website:
Waveform Audio Functions (Windows Embedded Compact 7)
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: kbqfe, kbfix, kbnotautohotfix, kbpubtypekc, kbexpertiseinter, kbsurveynew, kb

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Article Info
Article ID : 2675188
Revision : 1
Created on : 1/7/2017
Published on : 3/9/2012
Exists online : False
Views : 180