Add is_key_volatile registry helper#642
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Add wil::reg::is_key_volatile[_nothrow] to report whether a registry key was created with REG_OPTION_VOLATILE. There is no Win32 API for this, so the implementation uses NtQueryKey + KeyFlagsInformation; NtQueryKey is resolved dynamically from ntdll (keeping wil header-only with no extra link dependency) and the information class/struct that the public SDK omits are declared locally. Adds RegistryTests coverage for volatile and non-volatile keys. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Adds
wil::reg::is_key_volatile[_nothrow], implemented via NtQueryKey + KeyFlagsInformation (ntdll resolved dynamically). Includes Catch2[registry]tests passing in normal & noexcept configs. Part of enabling WSL to drop its in-house registry helper in favor of wil::reg.