public enum SubsystemType : ushort
{
    Unknown = 0,
    Native = 1,
    WindowsGui = 2,
    WindowsCui = 3,
    PosixCui = 7,
    WindowsCEGui = 9,
    EfiApplication = 10,
    EfiBootServiceDriver = 11,
    EfiRuntimeDriver = 12,
    EfiRom = 13,
    Xbox = 14,
    WindowsBootApplication = 16
}