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BlueandCopilot Autofix powered by AI 82ae2cd1de Document what the session creation parameters do, and which of them ae visible to all users on the machine (#41020)
* Document what the session creation parameters do, and which of them are visible to all users on the machine

* Apply suggestions from code review

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
2026-07-07 16:37:19 -07:00

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# SessionSettings
**Constructor**
- `SessionSettings(hstring name, hstring storagePath)`
- `name` must be non-empty. The name of the session to be created.
- `storagePath` must be non-empty. Path to where the session storage should be written. If the path doesn't exist, it will be created.
Session names serve both as display names and as machine-wide keys used to identify sessions. If a session with the same name already exists, session creation will fail with `ERROR_ALREADY_EXISTS`.
Also note that the following information about a session is visible to all users on the machine:
- The session's name
- The SID of the user that created the session
- The PID of the process that created the session
Do not put credentials or other sensitive information in the session's name.
**Properties**
- `Name()` / setter
- `StoragePath()` / setter
- `CpuCount()` / setter (`0` rejected)
- `MemorySizeInMB()` / setter (`0` rejected)
- `Timeout()` / setter
- cannot be zero
- cannot be negative
- converted to **milliseconds** and must fit in `uint32_t`
- `VhdRequirements()` / setter
- setter rejects `nullptr`
- `EnableGpu()` / setter
```cpp
SessionSettings settings{ L"demo", L"C:\\WSLC\\demo" };
settings.Name(L"demo");
settings.StoragePath(L"C:\\WSLC\\demo");
settings.CpuCount(winrt::box_value<uint32_t>(4).as<winrt::Windows::Foundation::IReference<uint32_t>>());
settings.MemorySizeInMB(winrt::box_value<uint32_t>(4096).as<winrt::Windows::Foundation::IReference<uint32_t>>());
settings.Timeout(winrt::box_value(winrt::Windows::Foundation::TimeSpan{ std::chrono::minutes(5) })
.as<winrt::Windows::Foundation::IReference<winrt::Windows::Foundation::TimeSpan>>());
settings.EnableGpu(true);
auto name = settings.Name();
auto path = settings.StoragePath();
auto cpu = settings.CpuCount();
auto memory = settings.MemorySizeInMB();
auto timeout = settings.Timeout();
auto enableGpu = settings.EnableGpu();
```