_EVENT_TYPE

Windows 10 1511 Threshold 2 x86
Windows 10 1607 Redstone 1 (Anniversary Update) x86
Windows 10 1703 Redstone 2 (Creators Update) x86
//0x4 bytes (sizeof)
enum _EVENT_TYPE
{
    NotificationEvent = 0,
    SynchronizationEvent = 1
};