XL97: Macro Performance Slow When Page Breaks Are Visible

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Article ID: 145598 - View products that this article applies to.
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SYMPTOMS

When you run a Visual Basic for Applications macro in Microsoft Excel 97, the macro may take longer to complete than it does in earlier versions of Excel. For example, a macro that required several seconds to complete in an earlier version of Excel may require several minutes to complete in Microsoft Excel 97.

CAUSE

This problem may occur if the following conditions are true:
  • Your Visual Basic macro modifies the properties of many rows.

    -and-
  • You have performed an operation that forced Excel to calculate page breaks. Excel calculates page breaks when you perform any of the following operations:

    • You display a Print Preview of your worksheet.
    • You click Page Setup on the File menu.
    • You modify any of the properties of the PageSetup object in a Visual Basic macro.


    -and-
  • You have selected the Page Breaks check box on the View tab of the Options dialog box.
This problem occurs if your macro sets any PageSetup property, or if you manually set a PageSetup property, and you then run a Visual Basic macro that sets properties on a large range of rows. Setting PageSetup properties turns on automatic calculation of page breaks in Microsoft Excel 97. By default, this property is not turned on.

WORKAROUND

To work around the problem, use either of the following methods.

Method 1: Manually Turn Off the Display of Page Breaks

To manually turn off the display of page breaks, follow these steps:
  1. On the Tools menu, click Options.
  2. Click the View tab. Under Window Options, click to clear the Page Breaks check box. Click OK.

Method 2: Turn Off the Display of Page Breaks in Your Macro

Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements. To work around the problem, add the following line of code to your Visual Basic macro:
ActiveSheet.DisplayPageBreaks = False
NOTE: This line of code must be inserted after you modify any of the properties of the PageSetup object, but before you modify the properties or the rows on your worksheet.

MORE INFORMATION

For more information about this problem, please see the following article in the Microsoft Knowledge Base:
164919 XL97: Scrolling Through Worksheet Causes MS Excel to Pause
For more information about worksheet properties, please see the following article in the Microsoft Knowledge Base:
169106 XL97: Some Worksheet Properties not Preserved

Properties

Article ID: 145598 - Last Review: June 18, 2005 - Revision: 2.0
APPLIES TO
  • Microsoft Excel 97 Standard Edition
Keywords: 
kbdtacode kbprb KB145598
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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