Navigate Tree:Get Previous Item Method

LabVIEW 2018 Help

Edition Date: March 2018
Part Number: 371361R-01
View Product Info

DOWNLOAD (Windows Only)

LabVIEW 2015 Help
LabVIEW 2016 Help
LabVIEW 2017 Help
LabVIEW 2018 Help
LabVIEW 2019 Help

Short Name: Navigate Tree.Get Previous

Requires: Base Development System

Class: TreeControl Methods

To Use: Create a method.

Returns the tag of the item immediately before and at the same hierarchical level as the one you provide as an input. If no items exist before the item at the same level in the hierarchy, this method returns an empty string.


Data typeNameRequiredDescription
tagNoUnique tag of the item below the item whose tag you want to obtain. The default is an empty string. If you wire an empty string to tag, this method returns an empty string. If you wire an invalid tag, this method returns an error.


The following table lists the characteristics of this method.

Data type
Available in Run-Time EngineYes (Read/Write)
Available in Real-Time Operating SystemYes
Settable when the VI is runningYes
Loads the front panel into memoryNo
Need to authenticate before useNo
Loads the block diagram into memoryNo
Remote access allowedYes


Not Helpful