Iadc::read - Intermec 700 Series User Manual

SECTION 6

IADC::Read

This function requests user input data from the reader engine. This is a blocking
function that returns either when there is data or after a timeout.
Syntax:
Parameters:
Return Values:
See Also:
HRESULT IADC::Read ( BYTE rgbDataBuffer[],
DWORD dwDataBufferSize, DWORD pnBytesReturned,
SYSTEMTIME pSystemTime, DWORD dwTimeout );
rgbDataBuffer [in]
dwDataBufferSize [in]
pnBytesReturned [out]
pSystemTime [out]
dwTimeout [in]
HRESULT that indicates success or failure.
IADC::CancelReadRequest
IADC::Initialize
IADC::QueryAttribute
IADC::QueryData
IADC::SetAttribute
Pointer to the buffer that receives the data
from the device.
Maximum number of bytes that can be stored
in rgbDataBuffer.
Pointer to the DWORD location to store the
number of bytes returned in rgbDataBuffer.
Pointer to a SYSTEMTIME structure that will
hold the time stamp of the received data. This
can be NULL if a timestamp is not needed.
Number of milliseconds caller waits for data.
This parameter is ignored if the Read Ahead
flag is not set.
0
If data is not available, returns quickly.
INFINITE
Waits until data is available.
700 Series Color Mobile Computer User's Manual
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