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Terminal.Gui/docfx/docs
Tig 8e92327dbe Fixes #4423 - migration docs (#4424)
* Pulled from v2_release

* Refactor migration guide for Terminal.Gui v2

Restructured and expanded the migration guide to provide a comprehensive resource for transitioning from Terminal.Gui v1 to v2. Key updates include:

- Added a Table of Contents for easier navigation.
- Summarized major architectural changes in v2, including the instance-based application model, IRunnable architecture, and 24-bit TrueColor support.
- Updated examples to reflect new patterns, such as initializers replacing constructors and explicit disposal using `IDisposable`.
- Documented changes to the layout system, including the removal of `Absolute`/`Computed` styles and the introduction of `Viewport`.
- Standardized event patterns to use `object sender, EventArgs args`.
- Detailed updates to the Keyboard, Mouse, and Navigation APIs, including configurable key bindings and viewport-relative mouse coordinates.
- Replaced legacy components like `ScrollView` and `ContextMenu` with built-in scrolling and `PopoverMenu`.
- Clarified disposal rules and introduced best practices for resource management.
- Provided a complete migration example and a summary of breaking changes.

This update aims to simplify the migration process by addressing breaking changes, introducing new features, and aligning with modern .NET conventions.

* Update: Revamp Terminal.Gui v2 What's New document

Comprehensively updated the "What's New" document for Terminal.Gui v2 to improve clarity, structure, and usability. Key changes include:

- Updated the document title to better reflect its purpose.
- Added a detailed table of contents for improved navigation.
- Enhanced the "Overview" section with a concise summary of v2 improvements.
- Expanded the "Architectural Overhaul" section with a "Design Philosophy" subsection.
- Introduced new sections for the instance-based application model and IRunnable architecture.
- Modernized code examples to align with .NET best practices.
- Added detailed explanations for TrueColor, adornments, and user-configurable themes.
- Documented built-in scrolling, advanced layout features, and enhanced navigation.
- Listed new views (e.g., `CharMap`, `ColorPicker`) and improvements to existing views.
- Described enhanced input handling, including the new `Key` class and key binding system.
- Added sections on configuration persistence, debugging tools, and performance metrics.
- Highlighted support for Sixel images, AOT compatibility, and improved Unicode handling.
- Summarized the transformative updates in the conclusion.

These changes aim to provide a structured, developer-friendly guide to the new features and improvements in Terminal.Gui v2.

* Updadted README
2025-12-01 13:33:13 -07:00
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