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docs/ai/DataPRO/Modules/Database/DatabaseServices/View.md

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+---
+source_files:
+  - DataPRO/Modules/Database/DatabaseServices/View/DatabaseStatusBarView.xaml.cs
+  - DataPRO/Modules/Database/DatabaseServices/View/DatabaseCopyView.xaml.cs
+  - DataPRO/Modules/Database/DatabaseServices/View/DatabaseSwitchView.xaml.cs
+generated_at: "2026-04-17T16:36:18.725754+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "9b3e32201b851fc1"
+---
+
+# Documentation: Database View Components
+
+## 1. Purpose
+
+This module provides WPF view components for database-related UI operations within the DatabaseServices namespace. It contains three code-behind classes—`DatabaseStatusBarView`, `DatabaseCopyView`, and `DatabaseSwitchView`—that serve as the visual layer for displaying database status, copying databases, and switching between local/remote database connections respectively. These views implement interfaces from `DTS.Common.Interface.Database` and delegate business logic to associated ViewModels via WPF data binding.
+
+---
+
+## 2. Public Interface
+
+### `DatabaseStatusBarView`
+**Namespace:** `DatabaseServices`  
+**Implements:** `IDatabaseStatusBarView`
+
+```csharp
+public DatabaseStatusBarView()
+```
+Default constructor. Calls `InitializeComponent()` to load the associated XAML layout. No additional public members are exposed beyond the interface implementation.
+
+---
+
+### `DatabaseCopyView`
+**Namespace:** `DatabaseServices`  
+**Implements:** `IDatabaseCopyView`
+
+```csharp
+public DatabaseCopyView()
+```
+Default constructor. Calls `InitializeComponent()` to load the associated XAML layout.
+
+```csharp
+private void Copy_Click(object sender, RoutedEventArgs e)
+```
+Event handler for the copy button click. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseCopyViewModel`, and invokes `vm.CopyDatabase()`.
+
+---
+
+### `DatabaseSwitchView`
+**Namespace:** `DatabaseServices`  
+**Implements:** `IDatabaseSwitchView`
+
+```csharp
+public DatabaseSwitchView()
+```
+Default constructor. Calls `InitializeComponent()` to load the associated XAML layout.
+
+```csharp
+private void SwitchToLocal_Click(object sender, RoutedEventArgs e)
+```
+Event handler for switching to local database. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseSwitchViewModel`, and invokes `vm.SwitchLocal()`.
+
+```csharp
+private void SwitchToRemote_Click(object sender, RoutedEventArgs e)
+```
+Event handler for switching to remote database. Casts `sender` to `Control`, retrieves the `DataContext` as `IDatabaseSwitchViewModel`, and invokes `vm.SwitchRemote()`.
+
+---
+
+## 3. Invariants
+
+- **DataContext Contract:** `DatabaseCopyView` requires its `DataContext` to be an instance of `IDatabaseCopyViewModel`. `DatabaseSwitchView` requires its `DataContext` to be an instance of `IDatabaseSwitchViewModel`. Event handlers will fail with invalid