CipherLab 9400 Series User Manual page 28

9400 .NET Programming
SetActiveDevice
Purpose To set the reader type ready for use.
Syntax int SetActiveDevice (int target);
Parameters target
[in] A value that defines the active device.
Example for C# int b1 = 0;
b1 = Reader.ReaderEngineAPI.SetActiveDevice(7);
Example for VB
Reader.ReaderEngineAPI.SetActiveDevice(7)
Return Value If successful, it returns 1.
Otherwise, it returns 0.
Remarks The triggering behavior of a trigger key only applies to the active device. No
event occurs with the inactive device.
An error does not occur if the specified reader type is not found!
See Also GetReaderType, GetActiveDevice, InitReader
20
Guide
0 NO_ACTIVE_DEVICE
7 DC_READER_BC
32 DC_READER_RFID
255 ALL_DEVICE
Call GetErrorCode() to find the error condition encountered:
-101 E_READER_NOT_INIT
Disable all active devices.
Only the barcode
(= RFID reader is inactive!)
Only the RFID
(= Barcode reader is inactive!)
All the readers are active.
reader is active.
reader is active.