Developer documentation

ModernUI for MetaTrader 5

Build cleaner chart-hosted EA panels with a practical CCanvas-based UI library for MetaTrader 5.

ModernUI helps MQL5 developers build panels, dashboards, settings windows, forms, tables, lists, dialogs, drawers, and compact trade-style interfaces without starting every UI from raw chart objects.

Read the docs Quick start Install guide

Start here

Get the docs open in minutes

1 Install ModernUI Copy Include/ModernUI into your MT5 data folder and verify the include path. 2 Quick Start Copy a single Expert Advisor, compile, attach to a chart, and see a working panel. 3 Build your first panel Follow a step-by-step tutorial that builds a real settings panel from scratch. 4 Fast wrappers Skip boilerplate with high-level helpers for common panel sections and controls.

What ModernUI is

A chart-hosted UI library for MT5

ModernUI gives MQL5 developers reusable controls, layout helpers, fast wrappers, themes, examples, and reference docs for building cleaner interfaces inside MetaTrader 5.

Buttons, labels, badges, inputs, sliders, combos, tabs, drawers, dialogs, menus, lists, tables, trees, charts, and stat cards
Fast wrappers for common panel layouts
Dark and light theme support
Runnable Expert Advisor examples
Reference and troubleshooting docs

What ModernUI is not

A UI library only

ModernUI does not place, modify, or close trades. You add your own trading logic on top of it.

Not a trading strategy
Not a trade copier
Not a broker execution system
Not an automatic trading product
Does not place, modify, or close trades by itself
Does not promise better trading results

Browse the docs

Every topic, one click away

Start Here

Install, quick start, first panel tutorial, and the package layout overview.

Build UIs Faster

Fast wrappers for AppWindow, sections, labeled inputs, button rows, tables, toasts, drawers, and compact trade panels.

Examples

Runnable EAs: basic panel, settings, compact trade panel, showcase trade panel, data table, performance stress test.

Controls

Buttons, labels, badges, toasts, text inputs, spin edits, combos, checkboxes, sliders, tabs, accordions, menus, tables.

Styling

Themes, design tokens, colours, spacing, radius, typography, light/dark themes, setter naming.

Reference

MuiRoot, factory helpers, fast wrapper types, event handlers, intent events, ownership, lifetime, DPI, native input hosts.

Performance

Refresh and layout model, performance counters, MT5/CCanvas limits, and practical best practices.

Support

Troubleshooting, common compile errors, FAQ, bug reporting, and version support policy.

Release Notes

Per-release change notes, including added features, behaviour changes, fixes, and upgrade notes.