Introduction

PanAndZoom provides the ZoomBorder control, matrix helpers, commands, bounds logic, and view-state APIs for Avalonia pan-and-zoom experiences.

Use it to:

build zoomable, pannable canvases, diagram surfaces, and image viewers
persist view state and expose keyboard shortcuts
constrain viewport behavior and support pointer, wheel, and touch gestures

Start With

Getting Started Overview for the control's capabilities
Quickstart: ZoomBorder to wire the control into an Avalonia view
API Documentation for member-level lookup

For automated UI testing, use the separately maintained ProTest packages and documentation.

Repository Layout

src/PanAndZoom: shipping control package
samples/AvaloniaDemo.Base and samples/AvaloniaDemo.Desktop: interactive sample app
tests/Avalonia.Controls.PanAndZoom.UnitTests: control tests using ProTest from NuGet