niHWS Open File

NI-HWS LabVIEW

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niHWS Open File

Opens or creates an HWS waveform file. The file must be closed with the niHWS Close File VI.

niHWS Open File.vi

file path specifies the path and file name of the HWS file to create or open. The .hws extension is typically used for HWS files, although using this extension is optional.

permissions specifies file access options.

Read Only	Opens an existing file for reading. An error is returned if the file specified does not exist. An error is returned if an attempt is made to write to the file.
Read/Write Existing	Opens an existing file for both reading and writing. An error is returned if the file specified does not exist.
Read/Write Create New	Creates a new file for both reading and writing. An error is returned if the file specified already exists.
Read/Write Create New Always	Creates a new file for both reading and writing. If the file specified already exists its contents are lost.

error in (no error) can accept error information wired from VIs previously called. Use this information to decide if any functionality should be bypassed in the event of errors from other VIs.

The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.

	status is either TRUE (X) for an error, or FALSE (checkmark) for no error or a warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.
	code identifies the error or warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.
	source describes the origin of the error or warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.

file handle is used to refer to an opened HWS file.

error out passes error or warning information out of a VI to be used by other VIs.

The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.

	status is either TRUE (X) for an error, or FALSE (checkmark) for no error or a warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.
	code identifies the error or warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.
	source describes the origin of the error or warning. The pop-up option Explain Error (or Explain Warning) gives more information about the error displayed.

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