3.1.4.20 SCARD_IOCTL_REMOVEREADERFROMGROUPW (IOCTL 0x0009007C)
The Unicode version of Remove Reader From Group removes the smart card reader specified in ContextAndTwoStringW_Call.sz2 (for more information, see section 2.2.2.8).
Return Values: The method sets Long_Return.ReturnCode (for more information, see section 2.2.3.3) 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.