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Error Codes

Code	Title	Severity	Description
MRK0001	Property uses OnPropertyChanged/SetProperty in setter	Error	Flags properties that call `OnPropertyChanged` or `SetProperty` in their setter. Use `[NotifyPropertyChangedFor(nameof(xxxxx))]` - `[ObservableProperty]` instead for MVVM best practices.
MRK0002	DelegateCommand usage detected	Error	Detects usage of `DelegateCommand` and suggests migration to `RelayCommand` in .NET MAUI. The code fix renames the command method appropriately, and if the method is async, appends `Async` to the new method name. This helps modernize your codebase and leverage CommunityToolkit.MVVM best practices.
MRK0003	Command usage detected	Error	Detects usage of `Command` and suggests migration to `RelayCommand` in .NET MAUI. The code fix renames the command method appropriately, and if the method is async, appends `Async` to the new method name. This helps modernize your codebase and leverage CommunityToolkit.MVVM best practices.