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
IntFlag representing various point flags.