RegQueryValueExW

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
extern (Windows)
LONG
RegQueryValueExW
(
HKEY hKey
,
LPCWSTR lpValueName
,
DWORD* lpReserved
,
DWORD* lpType
,
BYTE* lpData
,
DWORD* lpcbData
)

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