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Avalonia ViewModels with Zafiro

This skill provides a set of best practices and patterns for creating ViewModels, Wizards, and managing navigation in Avalonia applications, leveraging the power of ReactiveUI and the Zafiro toolkit.

Core Principles

1. Functional-Reactive Approach : Use ReactiveUI (ReactiveObject, WhenAnyValue, etc.) to handle state and logic.
2. Enhanced Commands : Utilize IEnhancedCommand for better command management, including progress reporting and name/text attributes.
3. Wizard Pattern : Implement complex flows using SlimWizard and WizardBuilder for a declarative and maintainable approach.
4. Automatic Section Discovery : Use the [Section] attribute to register and discover UI sections automatically.
5. Clean Composition : map ViewModels to Views using DataTypeViewLocator and manage dependencies in the CompositionRoot.

Guides

• ViewModels & Commands: Creating robust ViewModels and handling commands.
• Wizards & Flows: Building multi-step wizards with SlimWizard.
• Navigation & Sections: Managing navigation and section-based UIs.
• Composition & Mapping: Best practices for View-ViewModel wiring and DI.

Example Reference

For real-world implementations, refer to the Angor project:

• CreateProjectFlowV2.cs: Excellent example of complex Wizard building.
• HomeViewModel.cs: Simple section ViewModel using functional-reactive commands.

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