Getting this error when trying to view alarms

[pturmel]

The is one exceedingly dangerous background script. It is freely accessing components and their properties from a background thread. This can and eventually will completely lock up your designer or your Vision client.

It must be completely rewritten to not do that. See this topic for techniques to follow when using asynchronous tasks:

Update GUI via Asynchronous thread

I’ve got a script I am experimenting with that can take a lot of time to execute, so I now use the system.util.invokeAsynchronous to run the script in a separate thread to keep the GUI from locking up. I am using the asynchronous thread to copy files from one place to another, and I would like to show the progress of the file copy with a progress bar. How would I go about this? I am importing a few python libraries to do this. import shutil def fileTransfer(): path = system.file.openFile() …

(It is an old post, but still applies to Vision.)

Read the whole thing.