Denso BHT-400-CE Reference Manual page 40

Bar code handy terminal class library reference manual
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DNWA.Exception Namepsace
The DNWA.Exception namespace includes the following classes.
Class Name
17.29. ArgumentException
17.30. ObjectDisposedException
17.31. SecurityException
17.32. DeviceNotFoundException
17.33. DeviceLoadException
17.34. NotSupportedException
DNWA.Tools.BHT.Communication Namespace
The DNWA.Tools.BHT.Communication namespace includes the following classes.
Class Name
17.35. CommSerial
17.36. FileTransfer
Description
An exception thrown when a specified parameter is invalid.
An exception thrown when an operation request is issued to a
device whose file has not been opened.
An exception thrown when an open request is issued to a device
file for which authorization for opening cannot be obtained (e.g.,
when the file is already opened).
An exception thrown when an operation request is issued to a
device that is not installed on the BHT.
An exception that is thrown when an operation request is issued
to a device that is not ready to process it.
An exception that is thrown when an attempt is made to carry out
a function that is not supported.
Description
Serial communication
File transfer using Y-modem protocol
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