Issue type

enhancement

Which version of the app?

WinUI 3 Gallery

Description

This will help catch potential null reference issues at compile time, improve code clarity, and align the samples with modern .NET best practices.

Screenshots

No response

Windows version

No response

Additional context

This will be a wide change, but since v2.7 was just released, we have time to implement and debug it before the next release. I'd like to be assigned on this.