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docs/ai/Common/DTS.Common/RibbonControl.md

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+---
+source_files:
+  - Common/DTS.Common/RibbonControl/RibbonControlSelectionChanged.cs
+  - Common/DTS.Common/RibbonControl/RibbonControlOperation.cs
+  - Common/DTS.Common/RibbonControl/RibbonControlSelectionEventArgs.cs
+  - Common/DTS.Common/RibbonControl/RibbonControlSelectionChangeBehavior.cs
+  - Common/DTS.Common/RibbonControl/RibbonRegionAdapter.cs
+generated_at: "2026-04-17T15:36:06.822929+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "12c8c7227de24833"
+---
+
+# Documentation: DTS.Common.RibbonControl
+
+## 1. Purpose
+
+This module provides Prism region adapter support and event infrastructure for integrating WPF `Ribbon` controls into a Prism-based application. It enables dynamic addition and removal of `RibbonTab` and `RibbonApplicationMenu` items through Prism's region management system, synchronizes tab selection between document/workspace views and ribbon tabs via event aggregation, and exposes selection change notifications for consumers to react to ribbon tab changes.
+
+---
+
+## 2. Public Interface
+
+### Classes
+
+#### `RibbonRegionAdapter`
+**Signature:** `public class RibbonRegionAdapter : RegionAdapterBase<Ribbon>, IDisposable`
+
+A Prism region adapter that adapts `Microsoft.Windows.Controls.Ribbon.Ribbon` for use with `RegionNames.RibbonRegion`. Handles synchronization between active views and ribbon tab selection.
+
+| Member | Signature | Description |
+|--------|-----------|-------------|
+| Constructor | `RibbonRegionAdapter(IRegionBehaviorFactory regionBehaviorFactory, IRegionManager regionManager, IEventAggregator eventAggregator)` | Creates a new instance with injected dependencies. Subscribes to `TabControlSelectionChanged` event. |
+| `Dispose()` | `public void Dispose()` | Unsubscribes from `TabControlSelectionChanged` event and releases resources. |
+
+**Protected Members:**
+- `Adapt(IRegion region, Ribbon regionTarget)` - Handles `ActiveViews.CollectionChanged` to add/remove `RibbonTab` and `RibbonApplicationMenu` items.
+- `CreateRegion()` - Returns a new `AllActiveRegion`.
+
+---
+
+#### `RibbonControlSelectionChangeBehavior`
+**Signature:** `public class RibbonControlSelectionChangeBehavior : Behavior<Ribbon>`
+
+A WPF behavior that attaches to a `Ribbon` and publishes `RibbonControlSelectionChanged` events when the ribbon's selection