Here is a list of all documented class members with links to the class documentation for each member:

- a -

a : OpenMaya.MColor
abortAction() : OpenMayaUI.MPxContext , OpenMayaUI.MPxSelectionContext
absoluteName() : OpenMaya.MFnDependencyNode
acceptedTypeIds() : OpenMaya.MDataHandle
accepts() : OpenMaya.MFnAttribute
acceptsAttribute() : OpenMaya.MFnAttribute
acceptsGeometryIterator() : OpenMaya.MPxSurfaceShape
acquire() : OpenMayaRender.MIndexBuffer , OpenMayaRender.MVertexBuffer
acquireBlendState() : OpenMayaRender.MStateManager
acquireDepthStencilState() : OpenMayaRender.MStateManager
acquireDepthTexture() : OpenMayaRender.MTextureManager
acquireRasterizerState() : OpenMayaRender.MStateManager
acquireReferenceGeometry() : OpenMayaRender.MGeometryUtilities
acquireRenderTarget() : OpenMayaRender.MRenderTargetManager
acquireRenderTargetFromScreen() : OpenMayaRender.MRenderTargetManager
acquireSamplerState() : OpenMayaRender.MStateManager
acquireSwatchDrawContext() : OpenMayaRender.MRenderUtilities
acquireTexture() : OpenMayaRender.MTextureManager
acquireTiledTexture() : OpenMayaRender.MTextureManager
acquireUVTextureDrawContext() : OpenMayaRender.MRenderUtilities
activate() : OpenMaya.MFnAssembly
activateKey() : OpenMayaRender.MPxShaderOverride
activateNonRecursive() : OpenMaya.MFnAssembly
activatePass() : OpenMayaRender.MShaderInstance
active3dView() : OpenMayaUI.M3dView
activeAffectedColor() : OpenMayaUI.M3dView
activeComponents() : OpenMaya.MPxSurfaceShape
activeRenderOverride() : OpenMayaRender.MRenderer
activeTemplateColor() : OpenMayaUI.M3dView
add() : OpenMaya.MCacheSchema , OpenMaya.MFnComponentListData , OpenMaya.MFnDisplayLayer , OpenMaya.MSelectionList , OpenMayaRender.MSubSceneContainer
add3dViewDestroyMsgCallback() : OpenMayaUI.MUiMessage
add3dViewPostRenderMsgCallback() : OpenMayaUI.MUiMessage
add3dViewPreRenderMsgCallback() : OpenMayaUI.MUiMessage
add3dViewRendererChangedCallback() : OpenMayaUI.MUiMessage
add3dViewRenderOverrideChangedCallback() : OpenMayaUI.MUiMessage
addAfterDuplicateCallback() : OpenMaya.MModelMessage
addAllDagChangesCallback() : OpenMaya.MDagMessage
addAllDagChangesDagPathCallback() : OpenMaya.MDagMessage
addAnimCurveEditedCallback() : OpenMayaAnim.MAnimMessage
addAnimKeyframeEditCheckCallback() : OpenMayaAnim.MAnimMessage
addAnimKeyframeEditedCallback() : OpenMayaAnim.MAnimMessage
addArg() : OpenMaya.MArgList , OpenMaya.MSyntax
addAttribute() : OpenMaya.MDGModifier , OpenMaya.MFnDependencyNode , OpenMaya.MPxNode
addAttributeAddedOrRemovedCallback() : OpenMaya.MNodeMessage
addAttributeChangedCallback() : OpenMaya.MNodeMessage
addAutomaticShaderStageInput() : OpenMayaRender.MFragmentManager
addBeforeDuplicateCallback() : OpenMaya.MModelMessage
addBeginManipulationCallback() : OpenMaya.MCameraMessage
addBoundAttrCallback() : OpenMaya.MContainerMessage
addCallback() : OpenMaya.MModelMessage , OpenMaya.MSceneMessage
addCameraChangedCallback() : OpenMayaUI.MUiMessage
addCheckCallback() : OpenMaya.MSceneMessage
addCheckFileCallback() : OpenMaya.MSceneMessage
addCheckReferenceCallback() : OpenMaya.MSceneMessage
addChild() : OpenMaya.MFnCompoundAttribute , OpenMaya.MFnDagNode
addChildAddedCallback() : OpenMaya.MDagMessage
addChildAddedDagPathCallback() : OpenMaya.MDagMessage
addChildRemovedCallback() : OpenMaya.MDagMessage
addChildRemovedDagPathCallback() : OpenMaya.MDagMessage
addChildReorderedCallback() : OpenMaya.MDagMessage
addChildReorderedDagPathCallback() : OpenMaya.MDagMessage
addCircleSweepManip() : OpenMayaUI.MPxManipContainer
addColorManagementTextures() : OpenMayaRender.MShaderInstance
addCommandCallback() : OpenMaya.MCommandMessage
addCommandOutputCallback() : OpenMaya.MCommandMessage
addCommandOutputFilterCallback() : OpenMaya.MCommandMessage
addComponentTag() : OpenMaya.MFnGeometryData
addConditionCallback() : OpenMaya.MConditionMessage
addConnectionCallback() : OpenMaya.MDGMessage
addConnectionFailedCallback() : OpenMaya.MSceneMessage
addCurveSegmentManip() : OpenMayaUI.MPxManipContainer
addDagCallback() : OpenMaya.MDagMessage
addDagDagPathCallback() : OpenMaya.MDagMessage
addDataType() : OpenMaya.MFnGenericAttribute
addDelayedTimeChangeCallback() : OpenMaya.MDGMessage
addDelayedTimeChangeRunupCallback() : OpenMaya.MDGMessage
addDependentPlug() : OpenMayaUI.MPxManipulatorNode
addDirectionManip() : OpenMayaUI.MPxManipContainer
addDisableImplicitControlCallback() : OpenMayaAnim.MAnimMessage
addDiscManip() : OpenMayaUI.MPxManipContainer
addDistanceManip() : OpenMayaUI.MPxManipContainer
addDomainShaderInputNameMapping() : OpenMayaRender.MFragmentManager
addDoubleValue() : OpenMayaUI.MPxManipulatorNode
addElement() : OpenMaya.MArrayDataBuilder , OpenMaya.MFnDoubleIndexedComponent , OpenMaya.MFnSingleIndexedComponent , OpenMaya.MFnTripleIndexedComponent , OpenMayaRender.MVaryingParameter
addElementArray() : OpenMaya.MArrayDataBuilder
addElements() : OpenMaya.MFnDoubleIndexedComponent , OpenMaya.MFnSingleIndexedComponent , OpenMaya.MFnTripleIndexedComponent
addEndManipulationCallback() : OpenMaya.MCameraMessage
addEntries() : OpenMaya.MRampAttribute
addEntry() : OpenMaya.MExternalContentLocationTable
addEventCallback() : OpenMaya.MEventMessage
addExtensionAttribute() : OpenMaya.MDGModifier , OpenMaya.MNodeClass
addExternalContentForFileAttr() : OpenMaya.MFnDependencyNode , OpenMaya.MPxNode
addField() : OpenMaya.MFnEnumAttribute
addFlag() : OpenMaya.MSyntax
addForceUpdateCallback() : OpenMaya.MDGMessage
addFragmentGraphFromBuffer() : OpenMayaRender.MFragmentManager
addFragmentGraphFromFile() : OpenMayaRender.MFragmentManager
addFragmentPath() : OpenMayaRender.MFragmentManager
addFreePointTriadManip() : OpenMayaUI.MPxManipContainer
addGeometryRequirement() : OpenMayaRender.MPxShaderOverride
addGeometryRequirements() : OpenMayaRender.MPxShaderOverride
addHoles() : OpenMaya.MFnMesh
addImagePath() : OpenMayaRender.MTextureManager
addIndexBuffer() : OpenMayaRender.MGeometry
addIndexingRequirement() : OpenMayaRender.MGeometryRequirements , OpenMayaRender.MPxShaderOverride
addInputFragment() : OpenMayaRender.MShaderInstance
addInputFragmentForMultiParams() : OpenMayaRender.MShaderInstance
addInstanceAddedCallback() : OpenMaya.MDagMessage
addInstanceAddedDagPathCallback() : OpenMaya.MDagMessage
addInstanceRemovedCallback() : OpenMaya.MDagMessage
addInstanceRemovedDagPathCallback() : OpenMaya.MDagMessage
addInstanceTransform() : OpenMayaRender.MPxSubSceneOverride
addIntersection() : OpenMayaRender.MPxComponentConverter
addKey() : OpenMayaAnim.MFnAnimCurve
addKeyableChangeOverride() : OpenMaya.MNodeMessage
addKeys() : OpenMayaAnim.MFnAnimCurve
addKeysWithTangents() : OpenMayaAnim.MFnAnimCurve
addLast() : OpenMaya.MArrayDataBuilder
addLastArray() : OpenMaya.MArrayDataBuilder
addManipToPlugConversion() : OpenMayaUI.MPxManipContainer
addManipulator() : OpenMayaUI.MPxContext , OpenMayaUI.MPxSelectionContext
addMask() : OpenMaya.MSelectionMask
addMatrixModifiedCallback() : OpenMaya.MDagMessage
addMember() : OpenMaya.MFnSet
addMembers() : OpenMaya.MFnSet
addMPxManipulatorNode() : OpenMayaUI.MPxManipContainer
addNameChangedCallback() : OpenMaya.MNodeMessage
addNamespace() : OpenMaya.MNamespace
addNamespaceRenamedCallback() : OpenMaya.MSceneMessage
addNodeAboutToDeleteCallback() : OpenMaya.MNodeMessage
addNodeAddedCallback() : OpenMaya.MDGMessage
addNodeAddedToModelCallback() : OpenMaya.MModelMessage
addNodeAnimKeyframeEditedCallback() : OpenMayaAnim.MAnimMessage
addNodeChangeUuidCheckCallback() : OpenMaya.MDGMessage
addNodeDestroyedCallback() : OpenMaya.MNodeMessage
addNodeDirtyCallback() : OpenMaya.MNodeMessage
addNodeDirtyPlugCallback() : OpenMaya.MNodeMessage
addNodePreRemovalCallback() : OpenMaya.MNodeMessage
addNodeRemovedCallback() : OpenMaya.MDGMessage
addNodeRemovedFromModelCallback() : OpenMaya.MModelMessage
addNumericType() : OpenMaya.MFnGenericAttribute
addObjectGroup() : OpenMaya.MFnGeometryData
addObjectGroupComponent() : OpenMaya.MFnGeometryData
addOutputFragment() : OpenMayaRender.MShaderInstance
addParentAddedCallback() : OpenMaya.MDagMessage
addParentAddedDagPathCallback() : OpenMaya.MDagMessage
addParentRemovedCallback() : OpenMaya.MDagMessage
addParentRemovedDagPathCallback() : OpenMaya.MDagMessage
addPlugToInViewEditor() : OpenMayaUI.MPxManipContainer
addPlugToManipConversion() : OpenMayaUI.MPxManipContainer
addPointOnCurveManip() : OpenMayaUI.MPxManipContainer
addPointOnSurfaceManip() : OpenMayaUI.MPxManipContainer
addPointValue() : OpenMayaUI.MPxManipulatorNode
addPolyComponentIdChangedCallback() : OpenMaya.MPolyMessage
addPolygon() : OpenMaya.MFnMesh
addPolyTopologyChangedCallback() : OpenMaya.MPolyMessage
addPostBakeResultsCallback() : OpenMayaAnim.MAnimMessage
addPostDuplicateNodeListCallback() : OpenMaya.MModelMessage
addPostUIDrawables() : OpenMayaRender.MSceneRender
addPreBakeResultsCallback() : OpenMayaAnim.MAnimMessage
addPreConnectionCallback() : OpenMaya.MDGMessage
addPreUIDrawables() : OpenMayaRender.MSceneRender
addPrimitive() : OpenMayaUI.MPanelCanvas
addProcCallback() : OpenMaya.MCommandMessage
addPublishAttrCallback() : OpenMaya.MContainerMessage
addQueryItem() : OpenMaya.MURI
addReferenceCallback() : OpenMaya.MSceneMessage
addRenderer() : OpenMayaRender.MRenderProfile
addResolvedEntry() : OpenMaya.MExternalContentInfoTable
addressU : OpenMayaRender.MSamplerStateDesc
addressV : OpenMayaRender.MSamplerStateDesc
addressW : OpenMayaRender.MSamplerStateDesc
addRootAttr() : OpenMaya.MAttributePattern
addRotateManip() : OpenMayaUI.MPxManipContainer
addScaleManip() : OpenMayaUI.MPxManipContainer
addSelection() : OpenMayaUI.MSelectInfo
addSetMembersModifiedCallback() : OpenMaya.MObjectSetMessage
addShadeFragmentFromBuffer() : OpenMayaRender.MFragmentManager
addShadeFragmentFromFile() : OpenMayaRender.MFragmentManager
addShaderIncludePath() : OpenMayaRender.MShaderManager
addShaderPath() : OpenMayaRender.MShaderManager
addShaderSignature() : OpenMayaRender.MPxShaderOverride
addStateManip() : OpenMayaUI.MPxManipContainer
addStringArrayCallback() : OpenMaya.MSceneMessage
addTimeChangeCallback() : OpenMaya.MDGMessage
addTimerCallback() : OpenMaya.MTimerMessage
addToCategory() : OpenMaya.MFnAttribute
addToggleManip() : OpenMayaUI.MPxManipContainer
addToManipConnectTable() : OpenMayaUI.MPxManipContainer
addToModel() : OpenMaya.MGlobal
addToModelAt() : OpenMaya.MGlobal
addTypeId() : OpenMaya.MFnGenericAttribute
addUiDeletedCallback() : OpenMayaUI.MUiMessage
addUIDrawables() : OpenMayaRender.MHUDRender , OpenMayaRender.MPxDrawOverride , OpenMayaRender.MPxGeometryOverride , OpenMayaRender.MPxSubSceneOverride , OpenMayaRender.MUserRenderOperation
addUnresolvedEntry() : OpenMaya.MExternalContentInfoTable
addUserEventCallback() : OpenMaya.MUserEventMessage
addUuidChangedCallback() : OpenMaya.MNodeMessage
addVectorValue() : OpenMayaUI.MPxManipulatorNode
addVertexBuffer() : OpenMayaRender.MGeometry
addVertexColorCallback() : OpenMayaUI.MPaintMessage
addVertexRequirement() : OpenMayaRender.MGeometryRequirements
addWorldMatrixModifiedCallback() : OpenMaya.MDagMessage
adjoint() : OpenMaya.MFloatMatrix , OpenMaya.MMatrix
affectsAnimation() : OpenMaya.MFnDependencyNode
affectsAppearance : OpenMaya.MFnAttribute
affectsWorldSpace : OpenMaya.MFnAttribute
alignmentMatrix : OpenMayaRender.MSelectionInfo
allIntersections() : OpenMaya.MFnMesh
allocateFlag() : OpenMaya.MFnDependencyNode
allowConnection() : OpenMayaRender.MAttributeParameterMapping
allowConnections() : OpenMayaRender.MPxShadingNodeOverride
allowIsolateSelectCopy() : OpenMayaRender.MRenderItem
allowRename() : OpenMayaRender.MAttributeParameterMapping
allowsUnorderedAccess() : OpenMayaRender.MRenderTargetDescription
allPositions() : OpenMaya.MItGeometry
alphaBlendOperation : OpenMayaRender.MTargetBlendDesc
alphaDestinationBlend : OpenMayaRender.MTargetBlendDesc
alphaSourceBlend : OpenMayaRender.MTargetBlendDesc
alphaToCoverageEnable : OpenMayaRender.MBlendStateDesc
alternateSolution() : OpenMaya.MEulerRotation
angle() : OpenMaya.MFloatVector , OpenMaya.MVector
angleIndex() : OpenMayaUI.MFnCircleSweepManip , OpenMayaUI.MFnDiscManip
animationEndTime() : OpenMayaAnim.MAnimControl
animationStartTime() : OpenMayaAnim.MAnimControl
animCurve : OpenMayaAnim.MAnimCurveClipboardItem
animCurveType() : OpenMayaAnim.MAnimCurveClipboardItem , OpenMayaAnim.MFnAnimCurve
animSelectionMask() : OpenMaya.MGlobal
annotation() : OpenMaya.MFnSet , OpenMayaRender.MShaderInstance
antialiasedLineEnable : OpenMayaRender.MRasterizerStateDesc
anyIntersection() : OpenMaya.MFnMesh
apiType() : OpenMaya.MDagPath , OpenMaya.MObject
apiTypeStr : OpenMaya.MObject
apiVersion() : OpenMaya.MFnPlugin , OpenMaya.MGlobal
append() : OpenMaya.MAttributeSpecArray , OpenMaya.MCallbackIdArray , OpenMaya.MColorArray , OpenMaya.MDagPathArray , OpenMaya.MDoubleArray , OpenMaya.MFloatArray , OpenMaya.MFloatPointArray , OpenMaya.MFloatVectorArray , OpenMaya.MInt64Array , OpenMaya.MIntArray , OpenMaya.MMatrixArray , OpenMaya.MObjectArray , OpenMaya.MPlugArray , OpenMaya.MPointArray , OpenMaya.MTimeArray , OpenMaya.MUint64Array , OpenMaya.MUintArray , OpenMaya.MVectorArray , OpenMayaAnim.MAnimCurveClipboardItemArray , OpenMayaRender.MAttributeParameterMappingList , OpenMayaRender.MComponentDataIndexingList , OpenMayaRender.MIndexBufferDescriptorList , OpenMayaRender.MRenderItemList , OpenMayaRender.MUniformParameterList , OpenMayaRender.MVaryingParameterList , OpenMayaRender.MVertexBufferArray , OpenMayaRender.MVertexBufferDescriptorList , OpenMayaUI.MMaterialArray
appendSyntax() : OpenMayaUI.MPxContextCommand
appendToResult() : OpenMaya.MPxCommand
applicationShell() : OpenMayaUI.M3dView
applyTexture() : OpenMayaUI.MMaterial
arc() : OpenMayaRender.MUIDrawManager
arc2d() : OpenMayaRender.MUIDrawManager
area() : OpenMaya.MFnNurbsCurve , OpenMaya.MFnNurbsSurface
areUIDrawablesDirty() : OpenMayaRender.MPxSubSceneOverride
argTypeNumericalInput() : OpenMayaUI.MPxContext , OpenMayaUI.MPxSelectionContext
array : OpenMaya.MFnAttribute , OpenMaya.MFnDoubleArrayData , OpenMaya.MFnIntArrayData , OpenMaya.MFnMatrixArrayData , OpenMaya.MFnPointArrayData , OpenMaya.MFnStringArrayData , OpenMaya.MFnUInt64ArrayData , OpenMaya.MFnVectorArrayData , OpenMaya.MPlug
arrayParameterCount() : OpenMayaRender.MLightParameterInformation
arraySliceCount() : OpenMayaRender.MRenderTargetDescription
asAddr() : OpenMaya.MDataHandle
asAngle() : OpenMaya.MArgList , OpenMaya.MDataHandle
asAngMinutes() : OpenMaya.MAngle
asAngSeconds() : OpenMaya.MAngle
asAxisAngle() : OpenMaya.MQuaternion
asBool() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMayaRender.MUniformParameter , OpenMayaUI.MManipData
asCentimeters() : OpenMaya.MDistance
asChar() : OpenMaya.MDataHandle , OpenMaya.MPlug
asDegrees() : OpenMaya.MAngle
asDistance() : OpenMaya.MArgList , OpenMaya.MDataHandle
asDouble() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMayaUI.MManipData
asDouble2() : OpenMaya.MDataHandle
asDouble3() : OpenMaya.MDataHandle
asDouble4() : OpenMaya.MDataHandle
asDoubleArray() : OpenMaya.MArgList
asEulerRotation() : OpenMaya.MQuaternion
asFeet() : OpenMaya.MDistance
asFloat() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMayaRender.MUniformParameter , OpenMayaUI.MManipData
asFloat2() : OpenMaya.MDataHandle
asFloat3() : OpenMaya.MDataHandle
asFloatArray() : OpenMayaRender.MUniformParameter
asFloatMatrix() : OpenMaya.MDataHandle
asFloatVector() : OpenMaya.MDataHandle
asGenericBool() : OpenMaya.MDataHandle
asGenericChar() : OpenMaya.MDataHandle
asGenericDouble() : OpenMaya.MDataHandle
asGenericFloat() : OpenMaya.MDataHandle
asGenericInt() : OpenMaya.MDataHandle
asGenericShort() : OpenMaya.MDataHandle
asInches() : OpenMaya.MDistance
asInt() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMayaRender.MUniformParameter
asInt2() : OpenMaya.MDataHandle
asInt3() : OpenMaya.MDataHandle
asIntArray() : OpenMaya.MArgList
asKilometers() : OpenMaya.MDistance
asLong() : OpenMayaUI.MManipData
asMAngle() : OpenMaya.MPlug
asMatrix() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MEulerRotation , OpenMaya.MQuaternion , OpenMaya.MTransformationMatrix
asMatrixInverse() : OpenMaya.MTransformationMatrix
asMDataHandle() : OpenMaya.MPlug
asMDistance() : OpenMaya.MPlug
asMesh() : OpenMaya.MDataHandle
asMeshTransformed() : OpenMaya.MDataHandle
asMeters() : OpenMaya.MDistance
asMiles() : OpenMaya.MDistance
asMillimeters() : OpenMaya.MDistance
asMObject() : OpenMaya.MPlug , OpenMayaUI.MManipData
asMTime() : OpenMaya.MPlug
asNurbsCurve() : OpenMaya.MDataHandle
asNurbsCurveTransformed() : OpenMaya.MDataHandle
asNurbsSurface() : OpenMaya.MDataHandle
asNurbsSurfaceTransformed() : OpenMaya.MDataHandle
aspectRatio() : OpenMaya.MFnCamera
asPluginData() : OpenMaya.MDataHandle
asPoint() : OpenMaya.MArgList
asQuaternion() : OpenMaya.MEulerRotation
asRadians() : OpenMaya.MAngle
asRotateMatrix() : OpenMaya.MTransformationMatrix
asScaleMatrix() : OpenMaya.MTransformationMatrix
asShort() : OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMayaUI.MManipData
asShort2() : OpenMaya.MDataHandle
asShort3() : OpenMaya.MDataHandle
assign() : OpenMaya.MObjectHandle
assignColor() : OpenMaya.MFnMesh
assignColors() : OpenMaya.MFnMesh
assignUV() : OpenMaya.MFnMesh , OpenMaya.MFnNurbsSurface
assignUVs() : OpenMaya.MFnMesh , OpenMaya.MFnNurbsSurface
associatedNamespace() : OpenMaya.MFnReference
associateWithIndexBuffer() : OpenMayaRender.MRenderItem
asString() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MPlug , OpenMaya.MURI , OpenMaya.MUuid , OpenMayaRender.MUniformParameter
asStringArray() : OpenMaya.MArgList
asSubdSurface() : OpenMaya.MDataHandle
asSubdSurfaceTransformed() : OpenMaya.MDataHandle
asTime() : OpenMaya.MArgList , OpenMaya.MDataHandle
asUChar() : OpenMaya.MDataHandle
asUnits() : OpenMaya.MAngle , OpenMaya.MDistance , OpenMaya.MTime
asUnsigned() : OpenMayaUI.MManipData
asVector() : OpenMaya.MArgList , OpenMaya.MDataHandle , OpenMaya.MEulerRotation
asYards() : OpenMaya.MDistance
attribute() : OpenMaya.MFnDependencyNode , OpenMaya.MNodeClass , OpenMaya.MPlug
attributeAffects() : OpenMaya.MPxNode
attributeClass() : OpenMaya.MFnDependencyNode
attributeCount() : OpenMaya.MFnDependencyNode , OpenMaya.MNodeClass
attributeName() : OpenMayaRender.MAttributeParameterMapping
attrPattern() : OpenMaya.MAttributePattern
attrPatternCount() : OpenMaya.MAttributePattern
attrType() : OpenMaya.MFnTypedAttribute
autoKeyMode() : OpenMayaAnim.MAnimControl
autoUniformGridParams() : OpenMaya.MFnMesh
availableShaderParameters() : OpenMayaRender.MRenderItem
axisIndex() : OpenMayaUI.MFnCircleSweepManip , OpenMayaUI.MFnDiscManip