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

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+---
+source_files:
+  - DataPRO/Modules/ISO/ExtraProperties/Resources/TranslateExtension.cs
+  - DataPRO/Modules/ISO/ExtraProperties/Resources/StringResources.Designer.cs
+generated_at: "2026-04-17T16:12:22.117936+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "98cd5a2347e82926"
+---
+
+# Resources
+
+### Purpose
+This module provides localization infrastructure for the ISO ExtraProperties feature. It contains a WPF markup extension for XAML-based string resource lookup and an auto-generated strongly-typed resource class that wraps a `.resx` file containing localized strings for validation messages and UI labels related to key-value property handling.
+
+### Public Interface
+
+**`TranslateExtension` class** (`MarkupExtension`):
+- `TranslateExtension(string key)` - Constructor accepting the resource key to look up.
+- `object ProvideValue(IServiceProvider serviceProvider)` - Returns the localized string for `_key`, or an error marker if not found.
+
+**`StringResources` class** (internal, auto-generated):
+- `static ResourceManager ResourceManager { get; }` - Returns the cached `ResourceManager` instance for the `ExtraProperties.Resources.StringResources` resource bundle.
+- `static CultureInfo Culture { get; set; }` - Gets or sets the current UI culture for resource lookups.
+- `static string InvalidLine { get; }` - Localized string: "Invalid pasted channel code, line: {0}".
+- `static string Key { get; }` - Localized string: "Key".
+- `static string NoValueWarning { get; }` - Localized string: "The following keys have no value:".
+- `static string RepeatKeyError { get; }` - Localized string: "Keys must be unique. The following repeat:".
+- `static string Value { get; }` - Localized string: "Value".
+
+### Invariants
+- `TranslateExtension._key` is immutable after construction (readonly field).
+- `ProvideValue` always returns a non-null string; it never returns null.
+- When `_key` is null or empty, `ProvideValue` returns the constant `"#stringnotfound#"`.
+- When the resource key is not found in the resource manager, `ProvideValue` returns `"#stringnotfound# "` concatenated with the key name.
+- `StringResources` is marked `internal` and cannot be accessed outside its assembly.
+
+### Dependencies
+- **Depends on**: `System`, `System.Windows.Markup` (for `MarkupExtension` and `MarkupExtensionReturnTypeAttribute`), `System.Resources` (for `ResourceManager`), `System.Globalization` (for `CultureInfo`).
+- **Depended on by**: Unclear from source alone; presumably XAML files in the ISO ExtraProperties module that use `{x:Static}` or the `TranslateExtension` markup extension.
+
+### Gotchas
+- The `NotFound` constant value `"#stringnotfound#"` is hardcoded and duplicated across multiple modules (see DBImportExport/Resources). Changes to this error format would require updates in multiple places.
+- The `StringResources` class is auto-generated; manual edits will be lost when the `.resx` file is regenerated.
+
+---