Surrogate Pair characters appear as square boxes in ListView controls in Visio 2003 (827237)


The information in this article applies to:

  • Microsoft Office Visio Professional 2003
  • Microsoft Office Visio Standard 2003

SYMPTOMS

When you try to use surrogate pair characters in a ListView control in Visio, the characters are not displayed correctly. The characters appear as square rectangles.

For example, when you paste surrogate pair characters in the Label box in the Define Custom Properties dialog box for a shape in your drawing (right-click the shape, click Properties, and then click Define), the surrogate pair characters are displayed as square boxes in the Label column of the Properties box.

CAUSE

This problem occurs because the ListView control in Visio does not currently support surrogate pair characters.

WORKAROUND

To work around this problem, do not use surrogate pair characters in ListView controls in Visio.

STATUS

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

MORE INFORMATION

A surrogate pair is a pair of 16-bit Unicode code values that represent a single character. The first (high) surrogate is a 16-bit code value in the range U+D800 to U+DBFF. The second (low) surrogate is a 16-bit code value in the range U+DC00 to U+DFFF. Surrogate pairs extend the character set beyond the Unicode character. By using surrogates pairs, Unicode can support over one million characters. For more information about surrogate pairs, visit the following Microsoft Web site:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/intl/unicode_192r.asp

For more information about Visio, visit the following Microsoft Web site:

http://www.microsoft.com/office/visio/

Modification Type:MinorLast Reviewed:1/11/2006
Keywords:kbpending kbBug KB827237 kbAudITPRO kbAudEndUser kbAudDeveloper
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