43 lines
3.6 KiB
Markdown
43 lines
3.6 KiB
Markdown
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---
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source_files:
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- Common/DTS.CommonCore/Classes/WindowsFolder/WindowsFolder.cs
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generated_at: "2026-04-16T02:41:11.633722+00:00"
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model: "Qwen/Qwen3-Coder-Next-FP8"
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schema_version: 1
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sha256: "643a986ef3dcd404"
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---
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# WindowsFolder
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## 1. Purpose
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This module provides a utility method to open the folder containing application manuals using the system’s default file explorer. It exists to abstract the platform-specific logic of launching `explorer.exe` with a path derived from a base directory and a constant folder name (`Constants.ManualsFolder`). The class assumes the `path` argument passed to `OpenManualsFolder` is a valid base directory (e.g., application installation root), and that the `Manuals` folder resides directly under it—this is guaranteed by the application’s deployment structure, as noted in the documentation.
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## 2. Public Interface
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- **`OpenManualsFolder(string path)`**
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*Signature:* `public static void OpenManualsFolder(string path)`
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*Behavior:* Combines the input `path` with the constant `Constants.ManualsFolder` to form a full folder path, then launches Windows Explorer (`explorer.exe`) to open that folder. Throws if `path` is `null`, empty, or invalid, or if `Process.Start` fails (e.g., `explorer.exe` not found or path inaccessible). Does not return a value.
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## 3. Invariants
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- `path` must be a valid directory path (though not validated explicitly in this method—reliance is on caller correctness and OS-level validation during `Process.Start`).
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- The `Manuals` folder must exist at `Path.Combine(path, Constants.ManualsFolder)` for the folder to open meaningfully; if missing, Explorer will open to the path but show an empty or error state.
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- The method assumes `Constants.ManualsFolder` and `Constants.WindowsExplorer` are non-null, non-empty strings defined elsewhere (in `Constants.cs` or similar).
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- The method is synchronous and blocks only during process launch (not while Explorer is open).
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## 4. Dependencies
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- **Internal dependencies:**
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- `System.IO.Path` (for `Path.Combine`)
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- `System.Diagnostics.Process` (for launching Explorer)
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- `Constants.ManualsFolder` (string constant, e.g., `"Manuals"`)
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- `Constants.WindowsExplorer` (string constant, expected to be `"explorer.exe"`)
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- **External dependencies:**
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- Windows OS (due to use of `explorer.exe`)
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- The calling application must ensure `path` is set to a directory where `Manuals` is a subfolder (e.g., application root).
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- **Depended on by:** Unknown from this file alone—no references to callers are present.
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## 5. Gotchas
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- **Path validation is absent**: The method does not validate that `path` exists or that `manualsPath` points to an existing directory. Failure occurs only at `Process.Start`, potentially with a generic OS error.
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- **Hardcoded assumption about `CurrentDirectory`**: The XML comment states the method assumes the `Manuals` folder is in `CurrentDirectory`, but the implementation uses the passed `path`, not `Environment.CurrentDirectory`. This is inconsistent and may cause confusion—likely a documentation artifact or legacy assumption.
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- **No error handling**: Exceptions from `Process.Start` (e.g., `Win32Exception`, `InvalidOperationException`) are not caught or logged, potentially crashing the caller if unhandled.
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- **Platform lock-in**: This method only works on Windows; will fail on Linux/macOS if ever ported.
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- **No cancellation or async support**: Not suitable for UI contexts where blocking the calling thread is undesirable.
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- **`Constants` type location unspecified**: The source does not show where `Constants.ManualsFolder` or `Constants.WindowsExplorer` are defined—caller must locate and verify their values.
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