BUG: ITC Access Violation with Internet Explorer 5

ID: Q232632

The information in this article applies to:

SYMPTOMS

The Internet Transfer Control (ITC), which is shipped with Visual Basic, causes and Access Violation with Internet Explore 5 when both FTP and HTTP functionality is used.

The Access Violation is generally reported when the application is shut down.


CAUSE

This problem is caused by the bug in Wininet.dll, shipped with Internet Explorer 5, which is used by the control.


RESOLUTION

Use WinInet API directly from Visual Basic as an alternate solution that achieves similar functionality.


STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.


REFERENCES

For more information on WinInet API, see the MSDN Web Workshop's Win32 Internet Functions Overview page and the following article in the Microsoft Knowledge Base:

Q195653 Using FTP WinInet APIs in Visual Basic with SimpleFtp

For additional information regarding the WinInet API Codes please see the following article in the Microsoft Knowledge Base:
Q193625 WinInet Error Codes (12001 through 12156)

Please note that all constants and functions are declared in the WinInet.h file that ships with the Internet Client SDK and with Microsoft Visual C++ version 4.2 and later. This file does not come with Microsoft Visual Basic and all declarations are made in C.

For additional information about making WinInet API declarations in Visual Basic refer to the following Microsoft Knowledge Base article:
Q185519 FILE: Vbinet.exe WinInet API Declarations for Visual Basic

Additional query words: Internet Transfer Control, Access Violation, Wininet.dll, IE 5.0 


Keywords          : kbnokeyword kbVBp500bug kbVBp600bug kbIE500bug 
Version           : WINDOWS:5.0,6.0
Platform          : WINDOWS 
Issue type        : kbbug

Last Reviewed: August 8, 1999