Microsoft Windows CE 3.0  


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This code queries smart card and smart card reader attributes. For a list of all defined attributes, refer to Part 3 of the Interoperability Specification for ICCs and Personal Computer Systems, at the PC/SC Workgroup Web site.


Handle returned from a call to the smart card reader driver's XXX_Openfunction.
Specifies this code.
Contains a tag value describing the data to be retrieved.
Must be set to sizeof(ULONG).
The attribute data.
The size of the output buffer, which receives the attribute data. The size depends on the attribute.
The actual number of bytes returned, not counting terminating NUL charactersin strings.

Return Values

The status value STATUS_SUCCESS or STATUS_NOT_SUPPORTED, as appropriate.

Note: Smart card reader drivers return Windows NT status values, rather than Win32 error values, as the return values from the driver's callback function.

 Last updated on Tuesday, July 13, 2004

© 2004 Microsoft Corporation. All rights reserved.