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FIX: A modal form may hide behind its parent in a .NET Framework 2.0-based Windows Forms application when the modal form displays an error in the ErrorProvider control
Article ID: 920923 - View products that this article applies to.
Consider the following scenario. In a Microsoft .NET Framework 2.0-based Windows Forms application, a System.Windows.Forms.Form class displays a modal form that contains an ErrorProvider control. The modal form displays an error in the ErrorProvider control. In this scenario, the modal form may hide behind its parent and disappear from view. The modal form remains active and still receives keyboard input even though the modal form does not appear. If the parent becomes active, the modal form is brought to the front. However, the modal form may hide behind its parent again later.
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 Microsoft .NET Framework 2.0 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=supportNote 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.
PrerequisitesTo apply this hotfix, you must be running the .NET Framework 2.0.
Restart requirementYou do not have to restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other software updates.
File informationThe 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 item in Control Panel.
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To work around this problem, close and then restart the application.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates