NI-VNA

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niVNA_InvalidateAllAttributes

niVNA_InvalidateAllAttributes

niVNA_InvalidateAllAttributes(ViSession instrumentHandle, ViConstString channel);

Purpose

Sets the cached attribute value to invalid. If you query the attribute value after you call this function, NI-VNA queries the value from the device.

Supported Devices: NI 5630/5632

Parameters

Input
Name Type Description
instrumentHandle ViSession Identifies your instrument handle.
channel ViConstString Specifies the channel for which this operation is targeted.

Return Value

Name Type Description
returnValue ViStatus Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an NI-VNA function to determine if an error has occurred.

To obtain a text description of the status code and additional information about the error condition, call the niVNA_GetError function. To clear the error information from NI-VNA, call the niVNA_ClearError function.

The general meaning of the status code is as follows:

Value Meaning
0 Success
Positive Values Warnings
Negative Values Errors
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