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Close (G Dataflow)

Last Modified: March 26, 2020

Ends an niScope instrument I/O session and performs closing actions.

This function performs the following actions:

  • Closes the instrument I/O session.
  • Destroys the IVI session and all of its properties
  • Deallocates memory resources used by the IVI session.

session in

Handle that identifies the NI-SCOPE instrument session as previously allocated by Initialize With Options .


error in

Error conditions that occur before this node runs. Unlike most nodes, this node runs normally even if an error occurs before this node runs.

Default: no error


error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application

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