Programmatically lock Microsoft Windows PC/Workstation using LabVIEW

[Ashish_Naik_NIUK]

Description

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1. Overview

This VI shows how to lock a windows workstation programmatically

2. Description

This example VI calls the function LockWorkstation from the Microsoft Windows' dynamic link library (DLL) User32 whenever a boolean control is activated.

3. Requirements

• NI LabVIEW Base Development System 2012 or compatible.

4. Steps to Implement or Execute Code

1. Download, open, and run the VI.
2. Click the "Lock PC" button to trigger the event structure that executes the Call Library Function Node, to lock your PC.
3. Unlock your PC (you will need to enter your password if you have configured one).
4. Click the Stop button when you are done testing the VI.

5. Additional Information or References

• Call Library Function Node
• Event Structure

**The code for this example has been edited to meet the new Community Example Style Guidelines.**

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[david.bolt]

This is fantastic. I will now use this and save 0.1seconds instead of locking my screen via my keyboard everyday! Thats more than half a minute a year!!! Thanks!