---
source_files:
  - DTS Viewer/DTS.Viewer.Loader/Properties/Settings.Designer.cs
  - DTS Viewer/DTS.Viewer.Loader/Properties/AssemblyInfo.cs
  - DTS Viewer/DTS.Viewer.Loader/Properties/Resources.Designer.cs
generated_at: "2026-04-16T11:27:08.948966+00:00"
model: "zai-org/GLM-5-FP8"
schema_version: 1
sha256: "c2c4643ad51e5dc7"
---

# Documentation: DTS.Viewer.Loader Properties

## 1. Purpose

This module provides configuration and resource infrastructure for the `DTS.Viewer.Loader` assembly, a component developed by Diversified Technical Systems, Inc. The module exists to manage application-level settings—specifically the path to a plugin/modules folder—and to provide strongly-typed resource access for localization. It serves as the configuration layer for a plugin loading mechanism within the larger DTS Viewer application system.

---

## 2. Public Interface

### `Settings` class (partial, sealed)
**Namespace:** `DTS.Viewer.Loader.Properties`  
**Base class:** `global::System.Configuration.ApplicationSettingsBase`

| Member | Signature | Description |
|--------|-----------|-------------|
| `Default` | `public static Settings Default { get; }` | Static property returning the singleton instance of `Settings`, synchronized for thread safety. |
| `PluginFolder` | `public string PluginFolder { get; }` | Application-scoped setting returning the relative path to the runtime modules directory. Default value: `"../../../../RunTimeModules"`. |

### `Resources` class (internal)
**Namespace:** `DTS.Viewer.Loader.Properties`

| Member | Signature | Description |
|--------|-----------|-------------|
| `ResourceManager` | `internal static global::System.Resources.ResourceManager ResourceManager { get; }` | Returns the cached `ResourceManager` instance for this assembly's resources. |
| `Culture` | `internal static global::System.Globalization.CultureInfo Culture { get; set; }` | Gets or sets the current thread's `CurrentUICulture` for resource lookups. |

---

## 3. Invariants

- **Singleton Pattern**: The `Settings` class maintains exactly one instance via `defaultInstance`, created through `ApplicationSettingsBase.Synchronized()`, ensuring thread-safe access.
- **Application-Scoped Immutability**: `PluginFolder` is decorated with `[ApplicationScopedSettingAttribute()]`, meaning it is read-only at runtime and cannot be modified programmatically—only through configuration file changes.
- **Auto-Generated Code**: Both `Settings` and `Resources` are designer-generated files; manual modifications will be overwritten upon regeneration.
- **Internal Visibility**: Both `Settings` and `Resources` classes are marked `internal sealed`, restricting access to within the `DTS.Viewer.Loader` assembly.

---

## 4. Dependencies

### This module depends on:
- `System.Configuration.ApplicationSettingsBase` — for application settings management
- `System.Resources.ResourceManager` — for resource lookup
- `System.Globalization.CultureInfo` — for culture-specific resource handling
- `System.Reflection` — for assembly metadata attributes
- `System.Runtime.CompilerServices` — for compiler-generated attributes
- `System.Runtime.InteropServices` — for COM visibility attributes
- `System.Windows` — for WPF `ThemeInfo` attribute

### What depends on this module:
- **Unclear from source alone.** The `Settings.Default.PluginFolder` property suggests consumers within the `DTS.Viewer.Loader` assembly use this to locate runtime modules/plugins, but the actual loader implementation is not present in these files.

---

## 5. Gotchas

1. **Relative Path Dependency**: The `PluginFolder` setting uses a relative path `"../../../../RunTimeModules"`. This path is relative to the application's working directory at runtime, not the assembly location. The actual resolved path will vary depending on how the application is launched.

2. **Auto-Generated Files**: Both `Settings.Designer.cs` and `Resources.Designer.cs` are tool-generated. Changes must be made through the corresponding `.settings` and `.resx` files in Visual Studio, not directly in these source files.

3. **Empty Resources**: The `Resources` class infrastructure exists but no actual string resources are defined in the provided source. The `ResourceManager` will look for a resource file named `"DTS.Viewer.Loader.Properties.Resources"`.

4. **Version Hardcoded**: Assembly version is fixed at `1.0.0.0` for both `AssemblyVersion` and `FileVersion`. Automatic versioning is commented out in the source.