niSwitch_error_query
Specific Function
C Function Prototype
ViStatus niSwitch_error_query (ViSession vi, ViInt32* errorCode, ViChar[] errorMessage);
Purpose
This function reads an error code and a message from the instrument error queue.
NI-SWITCH does not have an error queue, so this function never returns any errors.
Parameters
| Name | Type | Description |
|---|---|---|
| vi | ViSession | A particular NI-SWITCH session established with niSwitch_InitWithTopology, niSwitch_InitWithOptions, or niSwitch_init and used for all subsequent NI-SWITCH calls. |
| errorCode | ViInt32 | Returns the error code read from the instrument error queue. NI-SWITCH does not have an error queue, so this function never returns any errors. |
| errorMessage | ViChar[] | Returns the error message string read from the instrument's error message queue. You must pass a ViChar array with at least 256 bytes. NI-SWITCH does not have an error queue, so this function only returns No error. |