BUG: DriverCallback Return Value Invalid

ID: Q170087

The information in this article applies to:

Microsoft Win32 Device Driver Kit (DDK) Windows 95

SYMPTOMS

DriverCallback returns an invalid value that has nothing to do with the status of the call.

CAUSE

DriverCallback incorrectly overwrites the actual return value right before the function exits.

RESOLUTION

To work around this problem, do not use the return value as a reference for return status.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this bug and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

DriverCallback is a Windows API function that is primarily used by multimedia installable drivers.

Additional query words: mm multimedia


Keywords          : 
Version           : 4.0
Platform          : WINDOWS 
Issue type        : kbbug

Last Reviewed: March 3, 1999