struct _LOCK_HEADER// Size=0x28
{
    struct _RTL_AVL_TREE LockTree;// Offset=0x0 Size=0x8
    struct _RTL_AVL_TREE LockMdlSwitchedTree;// Offset=0x8 Size=0x8
    unsigned long long Count;// Offset=0x10 Size=0x8
    unsigned long long Lock;// Offset=0x18 Size=0x8
    unsigned long Valid;// Offset=0x20 Size=0x4
};