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Format of Card Services Client Registration record

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Offset Size Description

00h

WORD

attributes

02h

WORD

event mask

04h

WORD

client data (passed to client event handler in DI)

--- 16-bit code ---

06h

WORD

client data selector (passed to event handler in DS)

08h

WORD

client data offset (passed to event handler in SI)

0Ah

WORD

reserved

--- 32-bit code ---

06h

WORD

reserved

08h

DWORD

client data offset (passed to event handler in ESI)

------

0Ch

WORD

expected Card Services version (0210h for v2.10)