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Hi I have one trick to solve you problem. the solution is to type cast your string constant reference to string type. In this case, you can accede to all properties of string constant text. Regards Eric

Name: Tree Control API Submitter: Norm Kirchner Submitted: 02 Jul 2009 File Updated: 03 Jan 2011 Category: User Interface LabVIEW Version: 8.2 License Type: BSD (Most common) Copyright © 2007, Norman J. Kirchner, Jr. All rights reserved. Norman J. Kirchner, Jr. Author: Norman J. Kirchner, Jr --see readme file for contact information Description: Package to provide smart tree functionality without assumption of type of data (ie, file paths or others) Gives ability to modify contents, extract information and control the branches. A good understanding of how the LV tree truly operates as a fancy multi-column listbox is very useful although not required. An expample program if not present on the forums, will be in place soon. Dependancies: LV version above base package Functions Add Item Modify Item Remove Item Get All Items Get Top Level Items Get Items Parent Get Selected Item Get Siblings Get Children Get Item Properties Check Tag Valid Convert Tag to Text Find Tag from Text Outdent at Item Indent At Item Expand Collapse Empty Tree Notes Capable of working w/ LV 7 or later but uploaded version is for LV 8.2. Please request previous version if necessary. Good to recognize that the tree control is just a fancy multi-column listbox. Version 1.0.0 Initial Release 1.0.1 Example program added Click here to download this file