---
source_files:
  - DataPRO/Modules/InstallerCustomActions/WarnWindows11/Properties/Settings.Designer.cs
  - DataPRO/Modules/InstallerCustomActions/WarnWindows11/Properties/AssemblyInfo.cs
  - DataPRO/Modules/InstallerCustomActions/WarnWindows11/Properties/Resources.Designer.cs
generated_at: "2026-04-16T04:44:32.111058+00:00"
model: "Qwen/Qwen3-Coder-Next-FP8"
schema_version: 1
sha256: "136a291046e5df64"
---

# Properties

## Documentation: `WarnWindows11` Module

### 1. Purpose  
This module provides a localized warning message used during SQL Server installation on Windows 11, alerting users to potential manual steps required due to OS-specific disk sector size constraints. It exists as a self-contained assembly intended for use in Windows Installer custom actions—specifically to surface a predefined warning string via resource lookup. The module does not contain executable logic beyond exposing the warning text; it is purely a resource container.

### 2. Public Interface  
The module exposes no public *types* beyond internal auto-generated classes. However, the following public members are accessible *within the assembly* (and may be consumed by external callers via reflection or strong-named referencing, though not designed for direct public use):

- **`WarnWindows11.Properties.Settings.Default`**  
  - *Type:* `WarnWindows11.Properties.Settings` (singleton, sealed, derived from `ApplicationSettingsBase`)  
  - *Behavior:* Provides access to the application settings instance for this assembly. No custom settings are defined in the source—only the default singleton accessor is present.

- **`WarnWindows11.Properties.Resources.WARNING_WINDOWS11`**  
  - *Type:* `string` (read-only property)  
  - *Behavior:* Returns the localized warning string:  
    > *"Installation of Microsoft SQL Server on windows 11 may require some manual steps to run. See https://learn.microsoft.com/en-us/troubleshoot/sql/database-engine/database-file-operations/troubleshoot-os-4kb-disk-sector-size for more information, or contact DTS support for assistance."*  
    This is the only resource string defined and is the sole functional output of the module.

- **`WarnWindows11.Properties.Resources.ResourceManager`**  
  - *Type:* `System.Resources.ResourceManager` (read-only property)  
  - *Behavior:* Lazily initializes and returns a `ResourceManager` instance bound to the `"WarnWindows11.Properties.Resources"` base name within the current assembly.

- **`WarnWindows11.Properties.Resources.Culture`**  
  - *Type:* `System.Globalization.CultureInfo` (read/write property)  
  - *Behavior:* Allows overriding the thread’s `CurrentUICulture` for resource lookups. Defaults to `null`, meaning `ResourceManager` uses the current UI culture.

### 3. Invariants  
- The `Settings.Default` property always returns the same singleton instance (enforced via `Synchronized()` and static field initialization).  
- `Resources.WARNING_WINDOWS11` always returns the exact string literal defined in `Resources.resx` (as reflected in `Resources.Designer.cs`).  
- The `ResourceManager` is initialized exactly once per AppDomain (lazy initialization with null-check).  
- The assembly is non-`ComVisible` (`[ComVisible(false)]`), meaning its types are not exposed to COM by default.  
- No runtime validation or conditional logic is present—the warning string is static and unconditionally returned.

### 4. Dependencies  
- **Runtime Dependencies:**  
  - `System.Configuration` (for `ApplicationSettingsBase`)  
  - `System.Resources` (for `ResourceManager`, `Resources`)  
  - `System.Globalization` (for `CultureInfo`)  
  - `System.Windows` (referenced via `System.Windows.dll`, implied by `System.Windows` namespace usage in `AssemblyInfo.cs`; likely for WPF-based installer UI, though not directly used here)  
- **Assembly Dependencies (inferred):**  
  - `WarnWindows11` assembly itself (self-contained).  
  - No external project or library dependencies are declared in the provided files.  
- **Consumers (inferred):**  
  - Likely consumed by a Windows Installer custom action (e.g., in a `.wixproj` or custom action DLL) that displays this warning during SQL Server installation on Windows 11.  
  - May be referenced by other installer modules (e.g., `DataPRO.InstallerCustomActions`) via strong-named assembly reference.

### 5. Gotchas  
- **No custom settings defined**: Though `Settings.Designer.cs` exists, the `Settings` class contains no user-defined properties—only the default accessor. Any expectation of configurable behavior (e.g., warning thresholds, URLs) is unfounded.  
- **Hardcoded URL**: The warning string embeds a specific Microsoft support URL. If this URL changes or becomes stale, the warning becomes outdated and requires recompilation.  
- **Case sensitivity in resource key**: The property `WARNING_WINDOWS11` corresponds to a resource key `"WARNING_WINDOWS11"` in the `.resx` file. Any mismatch in casing or spelling between `.resx` and the generated code would cause a runtime `MissingManifestResourceException`.  
- **Auto-generated code**: Both `Settings.Designer.cs` and `Resources.Designer.cs` are auto-generated. Manual edits will be overwritten; changes must be made in the designer (`.resx`, `.settings`) or `.csproj` files.  
- **No localization logic in source**: While `Culture` and `ResourceManager` are present, no `.resx` fallback or satellite assemblies are visible in the provided files. Localization is assumed but unverified from source alone.  
- **Assembly version fixed at `1.0.0.0`**: Both `AssemblyVersion` and `FileVersion` are hardcoded to `1.0.0.0`, which may complicate versioning in deployment pipelines.