Figure 1. I'd like the event source to be the name of the script that's running. To register this as a source, I'll need to use New-EventLog. Since I'm going to be logging to the Application event log ...

With my function found below called Test-IsFileLocked, I make use of a Try/Catch to handle the errors, which first checks to make sure I'm not denied access to the file. If that isn't the case, then ...