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3.1.4.24 SCARD_IOCTL_GETSTATUSCHANGEW (IOCTL 0x000900A4)

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The Unicode version of Get Status Change monitors the smart card readers specified in GetStatusChangeW_Call.rgReaderStates (for more information, see section 2.2.2.12) MUST correctly represent the state of the readers as known by Smart Cards for Windows.

Return Values: The method sets GetStatusChange_Return.ReturnCode to SCARD_S_SUCCESS on success; otherwise, it sets one of the smart card-specific errors or one of the return codes from Winerror.h. No specialized error codes are associated with this method.