Utilizing Community Toolkit behaviors
We’ve already seen one behavior from the Community Toolkit that turns an event into a command (EventToCommandBehavior), allowing us to respond to these events in our ViewModel.
The Community Toolkit is open source
The Community Toolkit is not officially part of .NET MAUI and consists of code supplied by (surprise!) the community – that is, developers independent of Microsoft. That said, the Microsoft documentation includes and increasingly integrates the Community Toolkit.
CommunityToolkit provides a suite of behaviors to handle many other common programming needs. Many of these behaviors assist with validating input. For example, the CommunityToolkit includes the following:
- Character validation
- Numeric validation
- Required string validation
- Text validation
- URI validation
You attach behaviors to controls. For example, let’s add a rule to the Login page stating that the username must be...