Learn PowerShell Core 6.0

Working with events

Events are a staple of .NET developers looking to react to changes of an object, for example. A .NET class mimicking a coffee machine, for instance, would raise an event coffee dispensed whenever a coffee is ordered. We can react to three kinds of events in PowerShell, as well:

Cmdlet	Event description
Register-ObjectEvent	Events of .NET objects, for instance, the exited event of a System.Diagnostics.Process
Register-WmiEvent	Events of WMI classes, for instance, an event that is raised whenever a new process starts
Register-EngineEvent	Events of the PowerShell engine, for instance, an event triggered when PowerShell is closing

 

We will have a look at all three kinds of events through practical ...