Microsoft KB Archive/927825

Knowledge Base

You receive an error message when you use a Windows Vista Sidebar gadget that has an event that is set to null

Article ID: 927825

Article Last Modified on 5/16/2007

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APPLIES TO

• Windows Vista Ultimate
• Windows Vista Enterprise
• Windows Vista Business
• Windows Vista Home Premium
• Windows Vista Home Basic
• Windows Vista Ultimate 64-bit Edition
• Windows Vista Enterprise 64-bit Edition
• Windows Vista Business 64-bit Edition
• Windows Vista Home Premium 64-bit Edition
• Windows Vista Home Basic 64-bit Edition

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SYMPTOMS

When you use a Windows Vista Sidebar gadget, you receive an error message that resembles the following:

A Runtime Error has occurred. Do you wish to Debug? Line: <line number> Error: Unspecified error

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CAUSE

This problem occurs if the gadget's script code tries to set a gadget event to null. Sidebar gadget events cannot be set to null.

WORKAROUND

To work around this problem, assign a function to the Sidebar gadget event.

MORE INFORMATION

Steps to reproduce the problem

1. Open the gadget's .html file.
2. Type the following code inside a <script> tag:

   System.Gadget.ondock = myFunc;
   System.Gadget.ondock = null;

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

http://msdn2.microsoft.com/en-us/library/ms723694.aspx

Keywords: kbexpertiseinter kbtshoot kbscript kberrmsg kbprb KB927825

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