Microsoft KB Archive/839823

= FIX: You experience slow performance when you display dynamically created forms after you upgrade your Windows Forms application to the .NET Framework 1.1 =

Article ID: 839823

Article Last Modified on 4/7/2006

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APPLIES TO


 * Microsoft .NET Framework 1.1

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SYMPTOMS
After you upgrade your Windows Forms application from the Microsoft .NET Framework 1.0 to the .NET Framework 1.1, you experience slow performance in your application when you display dynamically created forms. This performance problem occurs when you dynamically add many controls to your form. When you add these controls to the form, several garbage collections start that may affect performance.



Service pack information
To resolve this problem, obtain the latest service pack for the .NET Framework 1.1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

885055 How to obtain Microsoft .NET Framework 1.1 Service Pack 1

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 .NET Framework 1.1 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.

Prerequisites
No prerequisites are required.

Restart requirement
You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
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.   Date         Time   Version        Size       File name --  01-Apr-2004  15:10  1.1.4322.1019  1,703,936  System.design.dll 01-Apr-2004 15:10  1.1.4322.1019    466,944  System.drawing.dll 01-Apr-2004 15:10  1.1.4322.1019  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. This problem was first corrected in the .NET Framework 1.1 Service Pack 1.



MORE INFORMATION
For more information about the .NET Framework 1.1 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

867460 List of bugs that are fixed in the .NET Framework 1.1 Service Pack 1 (S about the .NET Framework 1.1 Service Pack 1)

For more information, 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

Keywords: kbbug kbfix kbwindowsforms kbqfe kbprb kbnetframe110presp1fix kbhotfixserver KB839823

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