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docs/ai/DataPRO/Modules/DatabaseImporter/DatabaseImport/App.md

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+---
+source_files:
+  - DataPRO/Modules/DatabaseImporter/DatabaseImport/App/WaitCursor.cs
+  - DataPRO/Modules/DatabaseImporter/DatabaseImport/App/App.cs
+generated_at: "2026-04-17T16:44:58.377701+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "fa7ba64696e65370"
+---
+
+# Documentation: DatabaseImport Application Module
+
+## 1. Purpose
+
+This module provides UI state management utilities for a WPF-based database import application. It consists of two components: `WaitCursor`, a disposable utility class for temporarily displaying a wait cursor with automatic restoration, and `App`, the main application class that manages application-wide busy states, provides lazy-initialized access to an `ISO13499FileDb` instance, and handles thread-safe UI manipulation through dispatcher-aware methods.
+
+---
+
+## 2. Public Interface
+
+### `WaitCursor` Class
+
+| Member | Signature | Description |
+|--------|-----------|-------------|
+| Constructor | `public WaitCursor()` | Saves the current `Mouse.OverrideCursor` value to `_previousCursor`, then sets `Mouse.OverrideCursor` to `Cursors.Wait`. |
+| `Dispose` | `public void Dispose()` | Restores the cursor by setting `Mouse.OverrideCursor` back to the saved `_previousCursor` value. |
+
+### `App` Class (partial)
+
+| Member | Signature | Description |
+|--------|-----------|-------------|
+| `IsoDb` | `public ISO13499FileDb IsoDb { get;