FIX: Exception Error Message When You Access the RTF Property of the RichTextBox Control

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Article ID: 826981 - View products that this article applies to.
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SYMPTOMS

When you load very large files in the RichTextBox control, you may receive a System.OutOfMemoryException error message when you access the text through the RTF property of the control. An example use of the RTF property is demonstrated in the following source code:
Dim sTemp As String
sTemp = RichTextBox1.Rtf

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
--------------------------------------------------------------
14-Aug-2003  02:23  1.1.4322.934     77,824  Corperfmonext.dll
14-Aug-2003  02:20  1.1.4322.934    311,296  Mscorjit.dll
14-Aug-2003  02:12  1.1.4322.934  2,093,056  Mscorlib.dll
14-Aug-2003  02:21  1.1.4322.934  2,498,560  Mscorsvr.dll
14-Aug-2003  02:22  1.1.4322.934  2,486,272  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

The problem is not limited to the RichTextBox control. The problem may also occur with certain large memory allocations. For example, the following code also results in an "Out of memory" exception error message:
byte[] arr = new byte[16773053];
To work around this problem, add a single byte to this allocation.

Properties

Article ID: 826981 - Last Review: February 27, 2014 - Revision: 1.3
APPLIES TO
  • Microsoft Visual Studio .NET 2003 Academic Edition
  • Microsoft Visual Studio .NET 2003 Enterprise Architect
  • Microsoft Visual Studio .NET 2003 Enterprise Developer
  • Microsoft Visual Studio .NET 2003 Professional Edition
Keywords: 
kbnosurvey kbarchive kbqfe kbfix kbbug KB826981

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