COMPUTER_INFO

public struct COMPUTER_INFO
{
    public ushort wProcessorArchitecture;
    public ushort wSuiteMask;
    public uint dwOperatingSystemVersion;
}

typedef struct tagCOMPUTER_INFO
{
    WORD wProcessorArchitecture;
    WORD wSuiteMask;
    DWORD dwOperatingSystemVersion;
} COMPUTER_INFO;