int DH_ITEM_READABLE = 0x000001

int DH_ITEM_WRITABLE = 0x000002

int DH_ITEM_LOCKED = 0x000004

int DH_ITEM_PROPERTY = 0x000008

int DH_ITEM_SUBASSEMBLY = 0x000010

int DH_ITEM_ASSEMBLY = 0x000020

int DH_ITEM_ATTRIBUTE = 0x000040

int DH_ITEM_TYPE = 0x000080

int DH_ITEM_ACTIVE = 0x000100

int DH_ITEM_PRIVATE_ATTRIBUTE = 0x000200

int DH_ITEM_PROCESSED = 0x000400

int DH_ITEM_HIDDEN = 0x000800

int DH_ITEM_AUTO_ID = 0x001000

int DH_ITEM_NO_MASTER_WRITE = 0x002000

int DH_ITEM_NO_SLAVE_WRITE = 0x004000

int DH_ITEM_FORCE_WRITE = 0x008000

int DH_ITEM_FORCE_INSIG = 0x010000

int DH_ITEM_MIRROR_ONLY = 0x020000

int DH_ITEM_TEMP_VALUE = 0x040000

int DH_ITEM_FORCE_WRITE_RO = 0x100000

int DH_ITEM_UNINITIALIZED = 0x200000

int DH_ITEM_FIRST_VALUE = 0x400000

int DH_ITEM_IMMUTABLE = 0x800000

int DH_ITEM_PUBLISH_MODEL = 0x01000000

int DH_ITEM_ZIP_MODEL = 0x02000000

int DH_ITEM_DELETED = 0x04000000

int DH_ITEM_CHILD = DH_ITEM_PROPERTY | DH_ITEM_SUBASSEMBLY | DH_ITEM_ATTRIBUTE

int DH_ITEM_ACCESS_MASK = DH_ITEM_WRITABLE | DH_ITEM_READABLE

int DH_ITEM_MODEL_BRANCH = DH_ITEM_SUBASSEMBLY | DH_ITEM_ASSEMBLY | DH_ITEM_TYPE

int DH_POINT_FLAGS_MIRRORED = DH_ITEM_HIDDEN | DH_ITEM_UNINITIALIZED | DH_ITEM_DELETED