FIX: Marshaling of Fixed Arrays of BSTR Fields in .NET Framework (324181)


The information in this article applies to:

  • Microsoft .NET Framework 1.0 SP1
This article was previously published under Q324181

SYMPTOMS

Currently, the .NET Framework does not support the marshaling of a structure that contains a string array. After you apply this fix, the .NET Framework supports marshaling of BSTR strings.

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 .NET Framework service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone 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 typical 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 fix 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
   -----------------------------------------------------------
   03-Aug-2002  16:29  1.0.3705.300    1,953,792  Mscorlib.dll     
   05-Jan-2002  04:32  1.0.3705.0        143,360  Mscorrc.dll      
   03-Aug-2002  06:18  1.0.3705.300    2,265,088  Mscorsvr.dll     
   03-Aug-2002  06:18  1.0.3705.300    2,265,088  Mscorwks.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

Steps to Reproduce the Behavior

Consider the following Microsoft Visual Basic 6.0 code with a fixed string array in a structure: 
   Public Type MyType
       StringArray(10) As String
   End Type
To reproduce the problem, create a type library for this code, use Tlbimp to import the type library, and then access it from managed code. To resolve the problem, install the hotfix.
Modification Type:MinorLast Reviewed:10/12/2005
Keywords:kbHotfixServer kbQFE kbbug kbCOMInterop kbfix kbNetFrame100preSP3fix kbQFE KB324181
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