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docs/ai/DataPRO/Modules/ISO/ExtraProperties/Model.md

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+---
+source_files:
+  - DataPRO/Modules/ISO/ExtraProperties/Model/ExtraPropertyModel.cs
+generated_at: "2026-04-17T16:46:25.727645+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "d34798e70a17e682"
+---
+
+# ExtraPropertyModel Documentation
+
+## 1. Purpose
+
+This module provides a model class `ExtraPropertyModel` for representing key-value pairs (ISO codes/user codes and their associated channel names) within the UI layer. It implements `IExtraProperty` and provides data binding support through `BasePropertyChanged`, along with a custom paste command infrastructure (`PasteCommandClass`) that handles clipboard text parsing and event publication for multi-field paste operations. This model serves as a bridge between raw property data and WPF UI components.
+
+---
+
+## 2. Public Interface
+
+### `ExtraPropertyModel` Class
+
+**Inherits from:** `DTS.Common.Base.BasePropertyChanged`  
+**Implements:** `DTS.Common.Interface.ISO.ExtraProperties.IExtraProperty`
+
+#### Constructors
+
+| Signature | Description |
+|-----------|-------------|
+| `ExtraPropertyModel(IExtraProperty extraProperty)` | Initializes from an existing `IExtraProperty` instance, copying `Key` and `Value`. |
+| `ExtraPropertyModel()` | Parameterless constructor. |
+| `ExtraPropertyModel(KeyValuePair<string, string> extraProperty)` | Initializes from a key-value pair. |
+
+#### Properties
+
+| Name | Type | Description |
+|------|------|-------------|
+| `ItemStatus` | `UIItemStatus` | Tracks UI status of the item. Defaults to `UIItemStatus.None`. |
+| `Key` | `string` | The code value (ISO code or user code). |
+| `Value` | `string` | The name associated with the code (ISO channel name or user channel name). |
+| `PasteCommand` | `ICommand` | Command registered for paste operations. |
+
+#### Constants
+
+| Name | Value | Description |
+|------|