Avalonia-skills

In the author's own words, from each skill's SKILL.md — showing the first 30 of 38 files.

• avalonia

  Use when working with Avalonia UI framework — building, styling, binding, animating, or deploying Avalonia apps with .NET.

  skills/avalonia/SKILL.md on GitHub (opens in a new tab)

• avalonia-app-development

  Use when setting up Avalonia app structure, resource dictionaries, application lifetimes, startup configuration, cross-platform project setup, or App.axaml configuration.

  skills/avalonia/avalonia-app-development/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls

  Use when working with built-in Avalonia controls (11.3, 12.0, 12.1). Routes to the correct sub-subskill for input, data display (ItemsControl/ListBox/TableView/DataGrid/TreeView), layout (incl. GroupBox), navigation (incl. page-based Navigation/Drawer/TabbedPage, CommandBar, PipsPager) and media (Image, NativeWebView) controls.

  skills/avalonia/avalonia-controls/SKILL.md on GitHub (opens in a new tab)

• avalonia-custom-controls

  Use when creating custom UserControls, TemplatedControls, basic drawing controls, custom panels, control libraries, attached properties, or custom flyouts in Avalonia.

  skills/avalonia/avalonia-custom-controls/SKILL.md on GitHub (opens in a new tab)

• avalonia-data-binding

  Use when writing data bindings, compiled bindings, converters, MultiBinding, collection views, validation, or binding to commands in Avalonia. Covers binding modes, path syntax, DataContext, built-in and custom converters, FallbackValue, DataValidationException, and debugging techniques.

  skills/avalonia/avalonia-data-binding/SKILL.md on GitHub (opens in a new tab)

• avalonia-data-templates

  Use when defining DataTemplate, ItemTemplate, ContentTemplate, selecting templates by data type, using TreeDataTemplate for hierarchical data, implementing IDataTemplate selectors, or using FuncDataTemplate in Avalonia. Covers template scoping, app-level templates, and compiled bindings in templates (default in 12.0+, so `x:DataType` is required; `{ReflectionBinding}` as opt-out), including Table…

  skills/avalonia/avalonia-data-templates/SKILL.md on GitHub (opens in a new tab)

• avalonia-deployment

  Use when packaging or deploying Avalonia apps for Windows, macOS, Linux, WebAssembly, Android, or iOS.

  skills/avalonia/avalonia-deployment/SKILL.md on GitHub (opens in a new tab)

• avalonia-events

  Use when working with Avalonia routed events — defining custom RoutedEvent, handling bubbling or tunneling events, attaching handlers with AddHandler, RoutingStrategies, the OnApplyTemplate/PART_ pattern, or class-level static handlers via AddClassHandler.

  skills/avalonia/avalonia-events/SKILL.md on GitHub (opens in a new tab)

• avalonia-graphics-animation

  Use when working with Avalonia brushes, transforms, geometry, clipping, animations, transitions, or bitmap effects. Covers SolidColorBrush, LinearGradientBrush, RadialGradientBrush, ConicGradientBrush, ImageBrush, VisualBrush, RenderTransform, shapes, Path geometry, clipping, BoxShadow, keyframe Animation class, property Transitions, and page transitions.

  skills/avalonia/avalonia-graphics-animation/SKILL.md on GitHub (opens in a new tab)

• avalonia-input-interaction

  Use when handling pointer events, keyboard input, gestures, focus, drag-and-drop, or hot keys in Avalonia 11.3/12.x. Covers PointerPressed/Released/Moved, KeyDown/KeyUp, TextInput, HotKeyManager, KeyGesture, focus management and Focus Traversal (12.0+), gesture events and recognizers, drag-and-drop (DragDrop.DoDragDropAsync, DataTransfer, DataFormat; 11.x DataObject), and Cursor types.

  skills/avalonia/avalonia-input-interaction/SKILL.md on GitHub (opens in a new tab)

• avalonia-interop-rendering

  Use when going beyond Render()/DrawingContext in Avalonia — Composition API (ElementComposition, CompositionCustomVisualHandler, implicit animations), ICustomDrawOperation with direct SkiaSharp access, OpenGlControlBase, WriteableBitmap/ILockedFramebuffer pixel work, NativeControlHost embedding native HWND/NSView, hosting Avalonia in WinForms/WinUI or EmbeddableControlRoot, text-shaping setup (Us…

  skills/avalonia/avalonia-interop-rendering/SKILL.md on GitHub (opens in a new tab)

• avalonia-layout

  Use when arranging controls in Avalonia using panels, Grid, StackPanel, DockPanel, Canvas, alignment, margins, padding, or responsive layouts.

  skills/avalonia/avalonia-layout/SKILL.md on GitHub (opens in a new tab)

• avalonia-mobile

  Use when building or fixing the Android or iOS (and Mac Catalyst) app side of an Avalonia app — project heads and startup per version (AvaloniaAndroidApplication, AvaloniaMainActivity, AvaloniaAppDelegate, IActivityApplicationLifetime vs ISingleViewApplicationLifetime), safe areas/edge-to-edge (IInsetsManager), soft keyboard (IInputPane), back button, orientation, app activation/background, hapti…

  skills/avalonia/avalonia-mobile/SKILL.md on GitHub (opens in a new tab)

• avalonia-mvvm

  Use when implementing the MVVM pattern in Avalonia, including ViewModels, INotifyPropertyChanged, ICommand, ReactiveUI, CommunityToolkit.Mvvm, or ViewModel-first navigation.

  skills/avalonia/avalonia-mvvm/SKILL.md on GitHub (opens in a new tab)

• avalonia-performance

  Use when diagnosing or improving Avalonia performance — slow scrolling or large lists (virtualization, TableView), FPS/layout/render profiling with DevTools and RendererDiagnostics overlays, compiled vs reflection bindings, image decode size, visual-tree depth, startup time and size (ReadyToRun, trimming, NativeAOT), and memory leaks (event handlers, DataContext, images).

  skills/avalonia/avalonia-performance/SKILL.md on GitHub (opens in a new tab)

• avalonia-pro-max

  Use when designing or polishing the visual quality of an Avalonia app — choosing themes, building a design system, crafting beautiful screens, improving accessibility, motion, layout, or before shipping a UI. Routes to focused sub-skills for tokens, themes, components, motion, accessibility, layout patterns, icons, and pre-delivery review.

  skills/avalonia/avalonia-pro-max/SKILL.md on GitHub (opens in a new tab)

• avalonia-property-system

  Use when working with Avalonia's property system: StyledProperty, DirectProperty, AttachedProperty, property inheritance, metadata override, coercion, value priority, or observing property changes via GetObservable or OnPropertyChanged.

  skills/avalonia/avalonia-property-system/SKILL.md on GitHub (opens in a new tab)

• avalonia-services

  Use when accessing Avalonia platform services via TopLevel: clipboard read/write, file/folder/save dialogs via StorageProvider, URI/file launching via Launcher, screen and window info, focus manager, platform feedback (12.1+), in-app notifications via WindowNotificationManager, or IME input method access.

  skills/avalonia/avalonia-services/SKILL.md on GitHub (opens in a new tab)

• avalonia-styling

  Use when applying styles, control themes, pseudoclasses, style selectors, theme variants, or custom fonts in Avalonia. Covers Style vs ControlTheme distinction, selector syntax, nested styles, light/dark theme variants, style sharing via avares://, StyleKeyOverride, and style precedence rules.

  skills/avalonia/avalonia-styling/SKILL.md on GitHub (opens in a new tab)

• avalonia-testing

  Use when writing tests for Avalonia apps — headless UI testing, ViewModel unit tests, UI automation, or setting up the Avalonia test infrastructure.

  skills/avalonia/avalonia-testing/SKILL.md on GitHub (opens in a new tab)

• avalonia-threading

  Use when code touches Avalonia threading — updating UI from background threads, Dispatcher.UIThread Post/InvokeAsync/Invoke, CheckAccess/VerifyAccess ("Call from invalid thread"), DispatcherPriority, async/await in ViewModels, ConfigureAwait, DispatcherTimer, progress reporting, cancellation, ObservableCollection updates off the UI thread, AvaloniaSynchronizationContext, or the Avalonia 12 multi-…

  skills/avalonia/avalonia-threading/SKILL.md on GitHub (opens in a new tab)

• avalonia-versions

  Use FIRST when the Avalonia version matters — detecting which Avalonia version a project uses, checking whether a feature/API exists in 11.3, 12.0 or 12.1, migrating 11.x → 12.x, or upgrading 12.0 → 12.1. Contains the version/feature matrix, renamed/removed API tables, and the version-label conventions used by all other Avalonia skills.

  skills/avalonia/avalonia-versions/SKILL.md on GitHub (opens in a new tab)

• avalonia-wpf-migration

  Use when migrating a WPF application to Avalonia, mapping WPF concepts to Avalonia equivalents, or understanding differences between WPF and Avalonia APIs.

  skills/avalonia/avalonia-wpf-migration/SKILL.md on GitHub (opens in a new tab)

• avalonia-xaml

  Use when writing or reviewing Avalonia XAML markup, .axaml files, XML namespaces, code-behind, markup extensions, or building UI without XAML in code.

  skills/avalonia/avalonia-xaml/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls-data-display

  Use when working with Avalonia data display controls: TextBlock, Label, ItemsControl, ListBox, TableView (12.1+), DataGrid (maintenance mode), TreeDataGrid (commercial), TreeView, or Carousel. Includes a decision table for choosing a list/grid control, compiled-binding rules for DataGrid/TableView columns, touch/pen selection behavior, and Carousel swipe/wrap (12.0+). Note there is no built-in Ma…

  skills/avalonia/avalonia-controls/data-display/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls-input

  Use when working with Avalonia input controls: Button, ToggleButton, RadioButton, CheckBox, TextBox, ComboBox, Slider, Calendar, DatePicker, TimePicker, NumericUpDown, or VirtualKeyboard. Covers key properties, events, binding patterns, placeholder text (PlaceholderText in 12, Watermark in 11.x), ToggleButton IsCheckedChanged, touch/pen selection, and common pitfalls for Avalonia 11.3, 12.0 and 1…

  skills/avalonia/avalonia-controls/input/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls-layout

  Use when working with Avalonia layout container controls: Border, ScrollViewer, SplitView, Expander, GroupBox (12.0+), Viewbox, or Panel variants (Grid, StackPanel, WrapPanel, DockPanel, UniformGrid, Canvas). Covers container-specific API, properties, scroll configuration, and layout pitfalls in Avalonia 12.

  skills/avalonia/avalonia-controls/layout/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls-media

  Use when working with Avalonia media controls: Image, DrawingImage (incl. Viewbox 12.0+), PathIcon, MediaPlayerControl (LibVLCSharp), or NativeWebView/NativeWebDialog (Avalonia.Controls.WebView, open source in 12.0+, commercial in 11.x). Covers asset loading URIs, stretch modes, vector icons, video playback setup, and web content embedding.

  skills/avalonia/avalonia-controls/media/SKILL.md on GitHub (opens in a new tab)

• avalonia-controls-navigation

  Use when working with Avalonia navigation controls: TabControl (TabItem.IconTemplate 12.0+), Menu, ContextMenu, Flyout (FlyoutBase.IsOpen 12.0+), NativeMenu/NativeDock.Menu, TrayIcon, and the page-based navigation set added in 12.0 (Page, ContentPage, NavigationPage, TabbedPage, DrawerPage, CarouselPage, CommandBar). Covers tab binding, menu command wiring, access keys, context menu DataContext,…

  skills/avalonia/avalonia-controls/navigation/SKILL.md on GitHub (opens in a new tab)

• avalonia-pro-max/accessibility

  Use when adding or auditing accessibility in an Avalonia app — AutomationProperties, focus order, keyboard navigation, contrast, screen reader (Narrator/NVDA/VoiceOver/Orca) support, dynamic text scaling, reduced motion. Maps WCAG 2.2 AA to Avalonia APIs.

  skills/avalonia/avalonia-pro-max/accessibility/SKILL.md on GitHub (opens in a new tab)

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