This call site is reachable on all platforms. 'PipeTransmissionMode.Message' is supported on: 'windows'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)

Nullability of reference types in type of 'event PropertyChangedEventHandler ItemViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler MainViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.

Non-nullable field '_lineOne' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_lineTwo' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_lineThree' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable event 'PropertyChanged' must contain a non-null value when exiting constructor. Consider declaring the event as nullable.

This call site is reachable on all platforms. 'PipeTransmissionMode.Message' is supported on: 'windows'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1416)