Avalonia Pan-and-Zoom Control

PanAndZoom for Avalonia

PanAndZoom provides a ZoomBorder control for Avalonia with pan, zoom, bounds management, and view-state workflows.

Start Here

Install the control package and configure your Avalonia application.

Create a zoomable surface, bind commands, and wire pointer and keyboard interaction.

Map the sample app tabs to concrete ZoomBorder features and interaction scenarios.

ZoomBorder, matrix helpers, commands, history, state persistence, bounds control, and advanced viewport utilities.

Headless testing helpers are maintained separately in ProTest, with stable NuGet packages for xUnit 3 and xUnit 4.

Install PanAndZoom and build your first zoomable view.

Coordinate systems, transformation state, gestures, commands, and persistence mental models.

Scenario-driven recipes for bounds management, view history, keyboard control, zoom-to-rectangle, and more.

Custom bounds and resize hooks, ScrollViewer integration, diagnostics, and project-level testing strategy.

Namespace maps, API coverage, Lunet pipeline details, and licensing.