Macros
#define	I_CONTROL 0x00001010
	An Animatable supporting this interface is a Control.

#define	I_IKCONTROL 0x00001020
	An Animatable supporting this interface is an IIKControl.

#define	I_IKCHAINCONTROL 0x00001030
	An Animatable supporting this interface is an IIKChainControl.

#define	I_WIRECONTROL 0x00001040
	An Animatable supporting this interface is an IBaseWireControl.

#define	I_SCRIPTCONTROL 0x00001050
	An Animatable supporting this interface is an IBaseScriptControl.

#define	I_DRIVER 0x00001060
	An Animatable supporting this interface is a ReferenceTarget.

#define	I_EASELIST 0x00001070
	An Animatable supporting this interface is an EaseCurveList.

#define	I_MULTLIST 0x00001080
	An Animatable supporting this interface is a MultCurveList.

#define	I_BASEOBJECT 0x00001090
	An Animatable supporting this interface is a BaseObject.

#define	I_WSMOBJECT 0x000010a0
	An Animatable supporting this interface is a WSMObject.

#define	I_DERIVEDOBJECT 0x000010b0
	An Animatable supporting this interface is an IDerivedObject.

#define	I_OBJECT 0x000010c0
	An Animatable supporting this interface is an Object.

#define	I_PARTICLEOBJ 0x000010d0
	An Animatable supporting this interface is a ParticleObject.

#define	I_LIGHTOBJ 0x000010e0
	An Animatable supporting this interface is a LightObject.

#define	I_SIMPLEPARTICLEOBJ 0x000010f0
	An Animatable supporting this interface is a SimpleParticle.

#define	I_KEYCONTROL 0x00001100
	An Animatable supporting this interface is an IKeyControl.

#define	I_KEYCONTROL2 0x00001110
	An Animatable supporting this interface is an IKeyControl2.

#define	I_SETKEYCONTROL 0x00001120
	An Animatable supporting this interface is an ISetKey.

#define	I_SYSTEM_XREF 0x00001130
	An Animatable supporting this interface is an ISystemXRef.

#define	I_TEXTOBJECT 0x00001140
	An Animatable supporting this interface is an ITextObject.

#define	I_WAVESOUND 0x00001150
	An Animatable supporting this interface is an IWaveSound.

#define	I_SUBMTLAPI 0x00001160
	An Animatable supporting this interface is an ISubMtlAPI.

#define	I_NEWPARTPOD 0x00001170
	An Animatable supporting this interface is a ParticlePodObj.

#define	I_NEWPARTSOURCE 0x00001180
	An Animatable supporting this interface is a BasicSourceObj.

#define	I_NEWPARTOPERATOR 0x00001190
	An Animatable supporting this interface is an IOperatorInterface.

#define	I_NEWPARTTEST 0x000011a0
	An Animatable supporting this interface is an ITestInterface.

#define	I_MESHSELECT 0x000011b0
	An Animatable supporting this interface is an IMeshSelect.

#define	I_MESHSELECTDATA 0x000011c0
	An Animatable supporting this interface is an IMeshSelectData.

#define	I_MAXSCRIPTPLUGIN 0x000011d0
	An Animatable supporting this interface is a MSPlugin.

#define	I_MESHDELTAUSER 0x000011e0
	An Animatable supporting this interface is a MeshDeltaUser.

#define	I_MESHDELTAUSERDATA 0x000011f0
	An Animatable supporting this interface is a MeshDeltaUserData.

#define	I_SPLINESELECT 0x00001200
	An Animatable supporting this interface is an ISplineSelect.

#define	I_SPLINESELECTDATA 0x00001210
	An Animatable supporting this interface is an ISplineSelectData.

#define	I_SPLINEOPS 0x00001220
	An Animatable supporting this interface is an ISplineOps.

#define	I_PATCHSELECT 0x00001230
	An Animatable supporting this interface is an IPatchSelect.

#define	I_PATCHSELECTDATA 0x00001240
	An Animatable supporting this interface is an IPatchSelectData.

#define	I_PATCHOPS 0x00001250
	An Animatable supporting this interface is an IPatchOps.

#define	I_SUBMAP 0x00001260
	An Animatable supporting this interface is an ISubMap.

#define	I_MITRANSLATOR 0x00001270
	unused - interface to max connection to mental ray

#define	I_MENTALRAY 0x00001280
	An Animatable supporting this interface is a mrItem*.

#define	I_NEWMTLINTERFACE 0x00001290
	An Animatable supporting this interface is an IChkMtlAPI.

#define	I_COMPONENT 0x000012a0
	An Animatable supporting this interface is an IComponent.

#define	I_REFARRAY 0x000012b0
	An Animatable supporting this interface is an IRefArray.

#define	I_LINKTMCTRL 0x000012c0
	An Animatable supporting this interface is an Link Transform Control.

#define	I_SUBTARGETCTRL 0x000012d0
	An Animatable supporting this interface is an Sub Target Control.

#define	I_REAGENT 0x000012e0
	An Animatable supporting this interface is an IReagent.

#define	I_GEOMIMP 0x000012f0
	An Animatable supporting this interface is an IGeomImp - implementaion neutral interface to geometry caches - REQUIRES RELEASE.

#define	I_AGGREGATION 0x00001300
	An Animatable supporting this interface is an IAggregation.

#define	I_VALENCE 0x00001310
	An Animatable supporting this interface is an IValence.

#define	I_GUEST 0x00001320
	An Animatable supporting this interface is an IGuest.

#define	I_HOST 0x00001330
	An Animatable supporting this interface is an IHost.

#define	I_SCENEOBJECT 0x00001340
	An Animatable supporting this interface is an Object.

#define	I_MULTITANGENT 0x00001350
	An Animatable supporting this interface is an IAdjustMultipleTangents.

#define	I_SOFTSELECT 0x00001360
	An Animatable supporting this interface is an ISoftSelect.

#define	I_UNREPLACEABLECTL 0x00001370
	An Animatable supporting this interface is an IUnReplaceableControl – used for the exposetransform controllers.

#define	I_EULERCTRL 0x00001380
	An Animatable supporting this interface is an IEulerControl – used for euler controllers in order to get/set the xyz ordering.

#define	I_LOCKED 0x00001390
	An Animatable supporting this interface is an ILockedTrack.

#define	I_LOCKED_CLIENT 0x000013a0
	An Animatable supporting this interface is an ILockedTrackClient.

#define	I_OBJECTSUPERCLASS_NOT_OBJECTCLASS 0x000013b0
	An Animatable supporting this interface reports a superclassid corresponding to an Object (for example, GEOMOBJECT_CLASS_ID), but creating an instance doesn't create an Object-derived object.

#define	I_COMPOSITESUBMTLAPI 0x000013c0
	An Animatable supporting this interface is an ICompositeSubMtlAPI.

#define	I_MTLIDSET 0x000013d0
	An Animatable supporting this interface is an IMtlIdSet.

#define	I_BUFFERABLE 0x000013e0
	An Animatable supporting this interface is an IBufferable.

#define	I_TANGENT 0x000013f0
	An Animatable supporting this interface is an IAdjustTangents.

#define	I_USERINTERFACE 0x0000ffff
	Plug-in defined interfaces should be greater than this value.

#define	GetControlInterface(anim) ((Control*)(anim)->GetInterface(I_CONTROL))

#define	GetObjectInterface(anim) ((BaseObject*)(anim)->GetInterface(I_BASEOBJECT))

#define	GetParticleInterface(anim) ((ParticleObject*)(anim)->GetInterface(I_PARTICLEOBJ))

#define	GetKeyControlInterface(anim) ((IKeyControl*)(anim)->GetInterface(I_KEYCONTROL))

#define	GetSetKeyControlInterface(anim) ((ISetKey*)(anim)->GetInterface(I_SETKEYCONTROL))

#define	GetDriverController(anim) ((ReferenceTarget*)(anim)->GetInterface(I_DRIVER))

#define	GetTextObjectInterface(anim) ((ITextObject*)(anim)->GetInterface(I_TEXTOBJECT))

#define	GetWaveSoundInterface(anim) ((IWaveSound*)(anim)->GetInterface(I_WAVESOUND))

#define	GetMeshSelectInterface(anim) ((IMeshSelect*)(anim)->GetInterface(I_MESHSELECT))

#define	GetMeshSelectDataInterface(anim) ((IMeshSelectData*)(anim)->GetInterface(I_MESHSELECTDATA))

#define	GetMeshDeltaUserInterface(anim) ((MeshDeltaUser*)(anim)->GetInterface(I_MESHDELTAUSER))

#define	GetMeshDeltaUserDataInterface(anim) ((MeshDeltaUserData*)(anim)->GetInterface(I_MESHDELTAUSERDATA))

#define	GetTangentInterface(anim) ((IAdjustTangents*)(anim)->GetInterface(I_TANGENT))

#define	GetMultiTangentInterface(anim) ((IAdjustMultipleTangents*)(anim)->GetInterface(I_MULTITANGENT))

#define	GetSoftSelectInterface(anim) ((ISoftSelect*)(anim)->GetInterface(I_SOFTSELECT))

#define	GetLockedTrackInterface(anim) ((ILockedTrack*)(anim)->GetInterface(I_LOCKED))

#define	GetLockedTrackClientInterface(client) ((ILockedTrackClient*)(client)->GetInterface(I_LOCKED_CLIENT))

Macros