Microsoft KB Archive/319692

= Winsock control may fire the DataArrival event after the Close event =

Article ID: 319692

Article Last Modified on 10/5/2005

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APPLIES TO


 * Microsoft Visual Basic 6.0 Enterprise Edition
 * Microsoft Visual Basic 6.0 Professional Edition

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This article was previously published under Q319692



SYMPTOMS
A Winsock control may fire a DataArrival event with valid data length (a number that is greater than 0) after the Close event. If you try to call the GetData method for that event, you receive the following error message:

Run-time error: 40006

Wrong protocol or connection state for the requested transaction or request.



CAUSE
This problem occurs because of a bug in the Winsock control. Although the occurrence of this problem depends on data flow between two entities, the problem may occur more consistently when the client (receiver) application is much slower than the server (transmitter) application, and when no application-level flow control is implemented.



RESOLUTION
To resolve this problem, obtain the latest service pack for Microsoft Visual Studio 6.0. For more information, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn.microsoft.com/vstudio/previous/vs6/downloads/default.aspx

Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Visual Studio 6.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

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

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this hotfix has the file attributes (or later) 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.   Date         Time   Version    Size     File name 11-Mar-2002 16:07  6.0.95.24  104,208  Mswinsck.ocx



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

Additional query words: sckBadState error 40006

Keywords: kbbug kbfix kbwinsock kbqfe kbctrl KB319692

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