IFormattedIO488::IO

Description

The VISA COM resource session.  This property must be set to begin using the IFormattedIO488 interface.  Setting this property again after it is first set causes the formatted I/O component to flush the buffers of the current VISA COM resource session attached to the I/O property and to attach the new session object.

VB Prototype

Dim value As IMessage
Set value = object.IO

Set object.IO = value

C++ Prototype

HRESULT get_IO(
  IMessage** IO
);

HRESULT putref_IO(
  IMessage* IO
);

Return Value

Refer to the table of return codes.

See Also

IO, InstrumentBigEndian, WriteString, WriteNumber, WriteList, WriteIEEEBlock, ReadString, ReadNumber, ReadList, ReadIEEEBlock, FlushWrite, FlushRead, SetBufferSize, IFormattedIO488 Overview