60 lines
4.0 KiB
Markdown
60 lines
4.0 KiB
Markdown
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---
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source_files:
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- DataPRO/Modules/Hardware/AddEditHardware/Properties/Settings.Designer.cs
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- DataPRO/Modules/Hardware/AddEditHardware/Properties/AssemblyInfo.cs
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generated_at: "2026-04-16T04:36:44.098121+00:00"
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model: "Qwen/Qwen3-Coder-Next-FP8"
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schema_version: 1
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sha256: "2868c6abccf6511a"
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---
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# Properties
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## Documentation: `AddEditHardware.Properties.Settings`
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---
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### 1. **Purpose**
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This module defines the strongly-typed application settings class `AddEditHardware.Properties.Settings`, which inherits from `System.Configuration.ApplicationSettingsBase`. It serves as the programmatic interface for accessing user- or application-scoped configuration values for the `AddEditHardware` module. The class is auto-generated by Visual Studio’s settings designer and provides a singleton-style static accessor (`Default`) for retrieving settings at runtime. It does not contain any custom settings properties in the provided source—only the infrastructure to host them.
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---
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### 2. **Public Interface**
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- **`Settings Default`** *(static property)*
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- **Signature**: `internal static Settings Default { get; }`
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- **Behavior**: Returns the singleton instance of the `Settings` class, synchronized for thread safety via `ApplicationSettingsBase.Synchronized()`. This is the sole public member exposed in the current source. No custom settings properties are defined here—any actual settings (e.g., `HardwareId`, `LastUsedTemplate`) would appear in the designer-generated body but are absent in the provided snippet.
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> **Note**: The class is `internal sealed partial`, and the `Settings` type itself is `internal`. No public constructors or instance members are present.
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---
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### 3. **Invariants**
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- The `defaultInstance` field is initialized once and reused for all accesses to `Default`.
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- Thread safety is ensured by wrapping the initial `Settings` instance with `ApplicationSettingsBase.Synchronized()`, which enforces that all access to the settings instance is synchronized on a shared lock.
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- The class is sealed and non-extensible in this file (though `partial` allows extension in other generated files, not shown here).
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- No validation or custom logic is present in the provided source—behavior relies entirely on `ApplicationSettingsBase`.
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---
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### 4. **Dependencies**
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- **Depends on**:
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- `System.Configuration` (specifically `ApplicationSettingsBase`)
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- `System.Runtime.CompilerServices.CompilerGeneratedAttribute`
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- `System.CodeDom.Compiler.GeneratedCodeAttribute`
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- **Depended on by**:
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- Other modules in the `AddEditHardware` assembly (e.g., UI forms or services in `DataPRO/Modules/Hardware/AddEditHardware`) that consume settings via `Settings.Default`.
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- The Visual Studio Settings Designer (at design time), which regenerates this file when settings are modified in the `.settings` designer file (not included here).
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---
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### 5. **Gotchas**
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- **Auto-generated file**: This file is auto-generated by Visual Studio. Manual edits will be overwritten on rebuild or settings modification.
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- **No settings defined in source**: The provided snippet contains *only* the base infrastructure—no actual settings properties (e.g., `public string SomeSetting { get; set; }`) are visible. Developers must check the corresponding `.settings` designer file (e.g., `Properties/Settings.settings`) to see configured values.
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- **Internal visibility**: The `Settings` class and its `Default` property are `internal`, meaning they are only accessible within the `AddEditHardware` assembly. External consumers (e.g., other modules) must reference this assembly and access it via `AddEditHardware.Properties.Settings.Default`.
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- **Thread-safety overhead**: The use of `Synchronized()` implies a performance cost for every access; if settings are read frequently, consider caching locally.
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- **Versioning**: Assembly version is fixed at `1.0.0.0` (both `AssemblyVersion` and `AssemblyFileVersion`), which may impact upgrade behavior for user-scoped settings (e.g., migration logic in `Settings.Default.Upgrade()`).
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