Developer documentation

ModernUI documentation

Install ModernUI, build your first MT5 panel, use fast wrappers, explore examples, and look up controls, styling, reference, and support notes.

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Start Here

Install ModernUI, compile your first Expert Advisor, learn the recommended EA structure, and build a first chart-hosted panel in MetaTrader 5.

Build UIs Faster

Use ModernUI fast wrappers to build common MT5 EA panels with less boilerplate while keeping access to raw controls.

Examples

Runnable ModernUI Expert Advisor demos under Experts/ModernUI/Examples/Demos.

Controls

Find the main ModernUI control families for MT5 panels, including buttons, inputs, navigation, overlays, data controls, and charts.

Styling

Style ModernUI panels with themes, tokens, colours, spacing, radius, typography, light/dark palettes, and setter naming conventions.

Reference

Reference pages for ModernUI root lifecycle, event bus, factory helpers, fast wrapper types, handlers, sources, ownership, DPI, and native input hosts.

Performance

Understand ModernUI rendering, invalidation, performance counters, MT5 limits, CCanvas behaviour, native input hosts, and best practices.

Support

Get help with ModernUI installation, compile errors, runtime behaviour, bug reports, FAQ, and version support policy.

Release Notes

Per-release change notes for ModernUI. Tracks added features, changes, fixes, known notes, and upgrade notes.