Microsoft KB Archive/841096

= Validation event does not fire for Microsoft Windows Forms controls =

Article ID: 841096

Article Last Modified on 4/7/2006

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APPLIES TO


 * Microsoft .NET Framework 1.1

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SYMPTOMS
A validation event may not fire after you change the focus on a form. You change focus on a form by tabbing or by clicking another part of the form.



CAUSE
This is a regression in the way that the Microsoft Windows Forms validates controls.



RESOLUTION
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 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 --  22-Apr-2004  15:51  1.1.4322.1034   1,703,936  System.design.dll 22-Apr-2004 15:52  1.1.4322.1034     466,944  System.drawing.dll 22-Apr-2004 15:51  1.1.4322.1034   2,043,904  System.windows.forms.dll



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

