PRB: JScript Runtime Error for MSDN Samples

• Microsoft Visual Studio versions 97, 6.0
• Microsoft Visual C++, 32-bit Editions, versions 5.0, 6.0
• Microsoft Visual J++, versions 1.1, 6.0
• Microsoft Visual InterDev, versions 1.0, 6.0

SYMPTOMS

When you click a link to access a sample (or click other similar links), the following error message appears:

Microsoft JScript runtime error
[Line: xxx] 'yyy' is not an object

CAUSE

Online information in the Developer Studio IDE (MSDEV) and the stand-alone MSDN uses the Internet Explorer control to display and navigate through the books online. If you disable some ActiveX technology, you will be unable to navigate much of the information and samples.

RESOLUTION

In Internet Explorer 3.02, go to the View menu and click Options. Under Security, select "Enable ActiveX controls and plug-ins".

In Internet Explorer 4.0, click Internet Options from the View menu. On the Security tab, look at the following zones if they are present in the Zone list:

• Internet zone



• Local Intranet zone



• Trusted site zone

STATUS

This behavior is by design.

MORE INFORMATION

The InfoViewer technology used in the Developer Studio IDE is based on the Internet Explorer browser, and the security settings in Internet Explorer affect what can be displayed in an InfoViewer window.

The recommended way to protect yourself from unsafe internet applets and scripts is to prevent them from downloading accidentally. ActiveX components that you have already installed on your own computer should be safe. Either you have deliberately downloaded the component and had an opportunity to evaluate it, or you have installed the component from a CD- ROM or floppies and would only do this if you know and trust the source. Therefore, you shouldn't need to prevent local components from running to be secure.

Since ActiveX controls downloaded via the Web can be a threat to security, you can protect yourself by disabling the ability to download ActiveX controls. On Internet Explorer 4.0, setting the security level to Medium results in a warning message before ActiveX controls are downloaded.

To allow all MSDN links to work, you must follow the steps in the RESOLUTION section of this article.

REFERENCES

For additional information, please see the following article in the Microsoft Knowledge Base:

Q167416 BUG: InfoViewer Book and Sample Links May Not Work

Additional query words: JavaScript

Keywords : kbVC500 kbVC600 kbVisID100 kbVisID600 kbVJ110 kbVJ600 kbVS97 kbVS600 kbGrpDSTools
Version : WINDOWS:1.0,1.1,6.0,97; winnt:5.0,6.0
Platform : WINDOWS winnt
Issue type : kbprb