APG8201-B2
– Reference Manual
Version 1.00
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Page 42 of 48
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.hk
9.3.8.
FEATURE_IFD_DISPLAY_PROPERTIES
hCard
Reference value returned from SCardConnect.
dwControlCode
Return from CM_IOCTL_GET_FEATURE_REQUEST.
lpInBuffer
NULL
LpOutBuffer
Offset
Field
Size
Value
Description
0
wLcdLayout
2
0210h
Display characteristics: 2 lines,
16 characters per line
2
bEntryValidationCondition
1
07h
Support timeout reached,
maximum PIN size reached,
validation key pressed
3
bTimeOut2
1
00h
0 = IFD does not distinguish
bTimeOut
from
bTimeOut2
1 = IFD distinguishes
bTimeOut
from
bTimeOut2
nOutBufferSize
4
lpBytesReturned
Pointer to a
DWORD
that receives the size, in bytes, of the data stored into
the buffer pointed to by
lpOutBuffer
9.3.9.
FEATURE_WRITE_DISPLAY
hCard
Reference value returned from SCardConnect.
dwControlCode
Return from CM_IOCTL_GET_FEATURE_REQUEST.
lpInBuffer
NULL
LpOutBuffer
LCD Message Data Structure:
Offset
Field
Size
Value
Description
17
abLCDmessage
32
Valid value: 20h
– FFh
nOutBufferSize
4
lpBytesReturned
Pointer to a
DWORD
that receives the size, in bytes, of the data stored into
the buffer pointed to by
lpOutBuffer