dwOSVersionInfoSize as uint32
dwMajorVersion as Uint32
dwMinorVersion as Uint32
dwBuildNumber as Uint32
dwPlatformId as Uint32
szCSDVersion(127) as int8
wServicePackMajor as Uint16
wServicePackMinor as Uint16
wSuiteMask as Uint16
wProductType as int8
wReserved as Int8