CNVGetNumberOfStructFields

int CNVGetNumberOfStructFields (CNVData data, unsigned short *numberOfFields);

Purpose

Gets the number of struct fields of the data.

Parameters

Input
Name Type Description
data CNVData The handle that identifies the network variable data.
Output
Name Type Description
numberOfFields unsigned short The number of struct fields in the network variable data.

Return Value

Name Type Description
status int Return value indicating whether the function was successful. One indicates that a next item was found, zero indicates that a next item was not found, and a negative number indicates that an error occurred.

You can call CNVGetErrorDescription to obtain a string that describes the error.

Additional Information

Library: Network Variable Library

Include file: cvinetv.h

LabWindows/CVI compatibility: LabWindows/CVI 8.1 and later

Example

Refer to networkvariable\3DSim\NV3DSim.cws for an example of using the CNVGetNumberOfStructFields function.

Open example

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