CNVGetDataUTCTimestamp

int CNVGetDataUTCTimestamp (CNVData data, unsigned __int64 *timestamp);

Purpose

Gets the timestamp of the data. The timestamp is an unsigned 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 in UTC. You can use CNVGetTimestampInfo to get the year, month, day, hour, minute, and second represented by the timestamp.

Parameters

Input
Name Type Description
data CNVData The handle that identifies the network variable data.
Output
Name Type Description
timestamp unsigned __int64 The timestamp of the data in Coordinated Universal Time (UTC).

Return Value

Name Type Description
status int Return value indicating whether the function was successful. Zero represents successful execution, one indicates that the data does not have timestamp information, 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\Quality\NVQuality.cws for an example of using the CNVGetDataUTCTimestamp function.

Open example

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