Class List

Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234]

►Nadsk
►NData
►NAccessorMaya	Utility functions to read metadata from Maya files
►CAccessor	Class used to read and write metadata from/to an existing file
CStructureNameLessThan	Functor for Structure ordering in a std::set
CAccessorFactory	Calls the specified Accessor type's default constructor
CAccessorFactoryBase	Base class for Accessor factories
CAssociations	Class handling associations between internal and external data
CAssociationsIterator	Class handling iteration over Channels in an Associations object
CAssociationsSerializer	Class handling the definition of the format for serialization of adsk::Data::Associations
CAttach	Helper class to manage attachment of metadata to other class objects
CAttachDirectly	Helper class to provide a simple implementation the the adsk::Data::Attach interface
CChannel	Class handling a named association of a data array with other data
CChannelIterator	Class handling iteration over Streams in a Channel object
CChannelSerializer	Class handling the definition of the format for serialization of data Channels
CCRTP_IndexType	This CRTP (Curiously Recurring Template Pattern) class implements some shared methods which all derived classes can use, and for whom the implementations use the same pattern
CHandle	Class handling access to specific data members of a structured type
CIndex	Lightweight class handling index values
CIndexPair	Index type which uses a pair of IndexCount values for the index mapping
CIndexString	Index type which uses a String for the index mapping
►CIndexType	Complex index type for referencing metadata
CIndexRegistration	Helper class to automatically register new index types
CSerializerInitializer	Helper : Instantiate to automatically (de)register a serializaton format Requires that the template parameter class has implemented the registerFormat() and deregisterFormat() methods
CStream	Class handling a list of generic data
CStreamIterator	Class handling iteration over Stream members
CStreamSerializer	Class handling the definition of the format for serialization of data streams
CStructure	Class handling the definition of the structure of a piece of data
CStructureIterator	Helper class for iterating over structure members
CStructureIteratorImpl	Helper class to contain the implementation-specific information
CStructureSerializer	Class handling the definition of the format for serialization of data structures
CStructureSerializerDebug	Class handling the data structure format type "Debug"
►NDebug
CCount	Class implementing debug object counting operation
CCRTP_Debug	This template defines virtual methods for calling the statically defined Debug methods within a hierarchy
CFootprint	Class implementing the gathering of data footprint information
CPrint	Class implementing debug printing operation
CCheckpointed	Class implementing ability to keep track of when objects are changed
CRefCounted	Class implementing standard reference counting
►Ndetails	The details namespace contains classes which are not meant to be used independently as a part of the Maya API
CControlBlock	Holds a pointer to a managed object and the number of references
CDefaultDeleter	Functor which can safely delete objects of type U
CObjectAndControlBlock	Control block which holds an object whose lifetime is managed by an MSharedPtr
CPtrAndControlBlock	Control block which holds a functor that can delete objects of type U, which are managed by *this control block
CSharedPtrBase	Base class for MSharedPtr
►NMHWRender
CMAttributeParameterMapping	Class for defining relationship between Maya attributes and fragment parameters
CMAttributeParameterMappingList	A list of MAttributeParameterMapping objects
CMBlendState	Container class for an acquired GPU blend state
CMBlendStateDesc	Descriptor for a complete blend state
CMCameraOverride	Camera override description
CMClearOperation	Class which defines the operation of clearing render target channels
CMComponentDataIndexing	Class for storing index mapping when vertices are shared
CMComponentDataIndexingList	A list of MIndexBufferDescriptor objects
CMDepthNormalizationDescription	Information required to perform normalization of values stored in the depth buffer of an MImage with respect to clipping plane range
CMDepthStencilState	Container class for an acquired complete GPU depth stencil state
CMDepthStencilStateDesc	Descriptor for a complete depth-stencil state
CMDrawContext	Class to allow access to hardware draw context information
CMDrawRegistry	Access the registry associating node types with custom implementations
CMFragmentManager	Provides facilities for managing fragments for use with Viewport 2.0
►CMFrameContext	This class contains some global information for the current render frame
CBackgroundParams	Background parameters
CDOFParams	Depth-of-field parameters
CEnvironmentParams	Struct for environment map parameters
CHwFogParams	Struct for hardware fog parameters
CRenderOverrideInformation	Render override information
CMGeometry	Class for working with geometric structures used to draw objects
CMGeometryExtractor	Class for extracting renderable geometry
CMGeometryIndexMapping	A mapping of geometry index
CMGeometryRequirements	Geometry requirements
CMGeometryUtilities	Utilities for Viewport 2.0
CMHUDRender	Class which defines rendering the 2D heads-up-display
CMIndexBuffer	Index buffer for use with MGeometry
CMIndexBufferDescriptor	MIndexBufferDescriptor describes an indexing scheme
CMIndexBufferDescriptorList	A list of MIndexBufferDescriptor objects
CMIntersection	Describes the intersection of a selection hit
CMLightParameterInformation	A class for providing lighting information that may be used with Viewport 2.0
CMPassContext	Class to allow access to pass context information
CMPresentTarget	Class which defines the operation of presenting a target for final output
CMPxComponentConverter	Base class for user defined component converter
CMPxDrawOverride	Base class for user defined drawing of nodes
CMPxGeometryOverride	Base for user-defined classes to prepare geometry for drawing
CMPxImagePlaneOverride	Base class for user defined image plane draw overrides
CMPxIndexBufferMutator	Base class for user defined index buffer mutators
CMPxPrimitiveGenerator	Base class for user defined primitive generators
►CMPxShaderOverride	Base class for user defined shading effect draw overrides
CMInitContext	Initialization context used by advanced initalization method
CMInitFeedback	Data to pass back to Maya after initialization
CMPxShadingNodeOverride	Base class for user defined shading node overrides
CMPxSubSceneOverride	Base class for Viewport 2.0 drawing of DAG nodes which represent sub-scenes
CMPxSurfaceShadingNodeOverride	Base class for user defined surface shading node overrides
CMPxVertexBufferGenerator	Base class for user defined vertex buffer generators
CMPxVertexBufferMutator	Base class for user defined vertex buffer generators
►CMPxViewportComputeItem	Introduced in 2022.0
CActions	A bitmask storing a set of actions
CMQuadRender	Class which defines a 2d geometry quad render
CMRasterizerState	Container class for an acquired complete GPU rasterizer state
CMRasterizerStateDesc	Descriptor for a complete rasterizer state
CMRenderer	Main interface class to the Viewport 2.0 renderer
CMRenderItem	A single renderable entity
CMRenderItemList	A list of MRenderItem objects
CMRenderOperation	Class which defines a rendering operation
CMRenderOperationList	Base class for holding a list of MRenderOperations
CMRenderOverride	Base class for defining a rendering override
CMRenderParameters	Class which defines a set of render parameters
CMRenderScriptCallback	Class which defines a callback that can be executed from a script fragment
CMRenderTarget	An instance of a render target that may be used with Viewport 2.0
CMRenderTargetAssignment	Structure to hold the information required to set a texture parameter on a shader using a render target as input
CMRenderTargetDescription	Class which provides a description of a hardware render target The name is the unique identifier for a render target
CMRenderTargetManager	Provides access to MRenderTarget objects for use in Viewport 2.0
CMRenderUtilities	Utilities for Viewport 2.0
CMSamplerState	Container class for an acquired complete GPU sampler state
CMSamplerStateDesc	Descriptor for a complete sampler state
CMSceneRender	Class which defines a scene render
CMSelectionContext	Class to allow control on Viewport 2.0 selection behavior
CMSelectionInfo	Class to allow access to the selection state information
CMShaderCompileMacro	Structure to define a shader compiler macro
CMShaderInstance	An instance of a shader that may be used with Viewport 2.0
CMShaderManager	Provides access to MShaderInstance objects for use in Viewport 2.0
CMStateManager	Class to allow efficient access to GPU state information
CMStencilOpDesc	Descriptor for a depth-stencil operation
CMSubSceneContainer	Container for render items generated by MPxSubSceneOverride
CMTargetBlendDesc	Descriptor for a blend state for a single render target
CMTexture	Class which includes texture data
CMTextureArguments	Class which includes texture arguments
CMTextureAssignment	Structure to hold the information required to set a texture parameter on a shader using a texture as input
CMTextureDescription	Texture description
CMTextureManager	Class which manages texture
CMTextureUpdateRegion	Structure to represent an update region for a texture
CMUIDrawManager	Main interface for drawing basic UI drawables in Viewport 2.0 and Hardware Renderer 2.0
CMUserRenderOperation	Class which defines a user defined rendering operation
CMVertexBuffer	Vertex buffer for use with MGeometry
CMVertexBufferArray	Array of Vertex buffers
CMVertexBufferDescriptor	Describes properties of a vertex buffer
CMVertexBufferDescriptorList	A list of MVertexBufferDescriptor objects
CM3dView	A 3-D view
CMAddRemoveAttrEdit	Class for describing edits involving attributes which are added or removed
CMAngle	Manipulate Angular Data
CMAnimControl	Control over animation playback and values
CMAnimCurveChange	Anim Curve Change Cache
CMAnimCurveClipboard	Control over the animation clipboard
CMAnimCurveClipboardItem	Wrapper for a clipboard item
CMAnimCurveClipboardItemArray	Array of MAnimCurveClipboardItem data type
CMAnimMessage	Animation messages
CMAnimUtil	Static class providing common animation helper methods
CMArgDatabase	Command argument list parser
CMArgList	Create and retrieve argument lists
CMArgParser	Command argument list parser
CMArrayDataBuilder	Array builder for arrays in data blocks
CMArrayDataHandle	Data block handle for array data
CMaterialInputData	Phong shading parameters for an MPxMaterialInformation instance
CMAtomic	Methods for atomic operations
CMAttributeIndex	The index information for an attribute specification
CMAttributePattern	The pattern of an attribute tree that can be applied to nodes or node classes
CMAttributePatternArray	Indexable Array of attribute patterns
CMAttributeSpec	An attribute specification
CMAttributeSpecArray	An attribute specification array
CMAutoCLEvent	AutoPtr for cl_event objects
CMAutoCLEventList	Introduced in 2023.0
CMAutoCLKernel	Auto pointer for cl_kernel objects
CMAutoCLMem	Auto pointer for cl_mem objects
CMBoundingBox	Implementation of a 3D bounding box
CMBufferIdentifier	Introduced in 2022.0
CMCacheConfigRuleRegistry	Introduced in 2019.0
CMCacheFormatDescription	Cache format description
CMCacheSchema	Introduced in 2020.0
CMCacheSchemaAttributesIterator	Introduced in 2020.0
CMCacheSchemaAttributesIteratorSentinel	Introduced in 2020.0
CMCacheSchemaAttributesRange	Introduced in 2020.0
CMCallbackIdArray	Array of MCallbackId data type
CMCameraMessage	Introduced in 2019.0
CMCameraSetMessage	CameraSet messages
CMCharBuffer	Memory buffer utility class
CMClosedTimeInterval	Introduced in 2022.0
CMColor	A color math class
CMColorArray	Array of MColor data type
CMColorManagementNodes	Introduced in 2019.0
►CMColorManagementUtilities	Utilities for obtaining color management information
CMColorTransformData	Utility class that retrieves the opaque data containing the color transform information needed to render the scene
CMColorMixingSpaceHelper	Introduced in 2023.0
CMColorPickerCallback	Introduced in 2019.0
CMColorPickerUtilities	Introduced in 2019.0
CMCommandMessage	Helper class to handle MEL output
CMCommandResult	Result returned from executing a command
CMCommonRenderSettingsData	Data container for common rendering settings
CMCommonSystemUtils	OS functionality
CMComputation	Interupt monitor for long computations
CMConditionMessage	Condition change messages
CMConnectDisconnectAttrEdit	Class for describing connection and disconnection edits
CMContainerMessage	Container-related messages
CMCursor	Manipulate Cursors
CMCurveAttribute	Create and manipulate curve attributes
CMCustomEvaluatorClusterNode	Scheduling cluster representing a self-contained cluster of work
CMD3D9Renderer	MD3D9Renderer is a wrapper class to provide access to Maya's DirectX resources
CMDAGDrawOverrideInfo	A data structure to store the per path draw override information
CMDagMessage	DAG messages
CMDagModifier	Dependency graph modifier
CMDagPath	DAG Path
CMDagPathArray	Indexable Array of DAG Paths
CMDataBlock	Dependency node data block
CMDataHandle	Data handle for information contained in a data block
CMDeviceChannel	Input device channel
CMDeviceState	Input device state
CMDGContext	Dependency graph (DG) context class
CMDGContextGuard	Scope object used to modify current evaluation context in a code block
CMDGMessage	Dependency graph messages
CMDGModifier	Dependency graph modifier
CMDisplayLayerMessage	Dependency node messages
CMDistance	Manipulate Linear Data
CMDoubleArray	Array of doubles data type
CMDrawData	Holds geometry specific information for user defined shapes which maya does not intrinsicly know about
CMDrawInfo	This class is used by the getDrawRequests method of MPxSurfaceShapeUI to specify the current object drawing state for a user defined shape
CMDrawProcedureBase	This class provides an interface through which a plug-in can be writen to implement a class to provide custom hardware drawing effects
CMDrawRequest	This class encapsulates all the information needed to fulfill a request to draw an object or part of an object
CMDrawRequestQueue	This class defines a simple interface for a collection of MDrawRequest objects
CMDrawTraversal	MDrawTraversal is a utility class for interactive drawing
CMDynamicsUtil	Utility class for Maya dynamics
CMDynSweptLine	Class for evaluating curve segments as lines over time
CMDynSweptTriangle	Class for evaluating surfaces as triangles over time
CMEdit	Base class for representing information about edits
CMEditPrimitiveFct	Introduced in 2023.0
CMEulerRotation	Euler Rotation Math
CMEvaluationGraph	Evaluation graph object
CMEvaluationManager	Class for working with Maya's Evaluation Manager
CMEvaluationNode	Provides access to Evaluation Manager node information
CMEvaluationNodeIterator	Provides access to the Evaluation Manager node dirty plug list
CMEvent	System event information
CMEventMessage	Event messages
CMExternalContentInfoTable	This is a table of all the external content for a given MPxNode
CMExternalContentLocationTable	This is a table of the all the external content locations for a given MPxNode
CMExternalDropCallback	Provides a callback hook into Maya's drag-and-drop mechanism
CMExternalDropData	Drag-and-drop data, used with MExternalDropCallback
CMFalloffContext	Introduced in 2022.0
►CMFalloffFunction	Introduced in 2022.0
CReturnValue	Return Value data type for a falloff function
CMFcurveEdit	Class for describing fcurve edits
CMFeedbackLine	Feedback line
CMFileIO	I/O operations on scene files
CMFileObject	Manipulate filenames and search paths
CMFloatArray	Array of floats data type
CMFloatMatrix	A matrix math class for 4x4 matrices of floats
CMFloatPoint	Implementation of a point
CMFloatPointArray	Array of MFloatPoint data type
CMFloatVector	A vector math class for vectors of floats
CMFloatVectorArray	Array of MFloatVectors data type
CMFn	Function Set Type Identifiers
CMFnAirField	Function set for Air Fields
CMFnAmbientLight	Manage Ambient Light dependency Nodes
CMFnAnimCurve	Anim Curve Function Set
CMFnAnisotropyShader	Manage anisotropic shaders
CMFnAreaLight	Manage Area Light dependency Nodes
CMFnArrayAttrsData	Function set for multiple arrays of attributes for dependency node data
CMFnAssembly	Function set for scene assembly
CMFnAttribute	Dependency node attribute function set
CMFnBase	Function Set Base Class
CMFnBlendShapeDeformer	Blend shape deformer function set
CMFnBlinnShader	Manage Blinn shaders
CMFnCamera	Function set for cameras
CMFnCameraSet	Camera set node function set
CMFnCharacter	Function Set for Characters
CMFnCircleSweepManip	CircleSweepManip function set
CMFnClip	Clip function set
CMFnComponent	Base class for component function sets
CMFnComponentListData	Component list function set for dependency node data
CMFnCompoundAttribute	Compound attribute function set
CMFnContainerNode	Container function set
CMFnCurveSegmentManip	CurveSegmentManip function set
CMFnDagNode	DAG Node Function Set
CMFnData	Parent class for dependency graph data function sets
CMFnDependencyNode	Dependency node function set
CMFnDirectionalLight	Manage Directional Light dependency nodes
CMFnDirectionManip	DirectionManip function set
CMFnDiscManip	DiscManip function set
CMFnDisplayLayer	Function Set for display layers
CMFnDisplayLayerManager	Function Set for display layer manager
CMFnDistanceManip	DistanceManip function set
CMFnDoubleArrayData	Double array function set for dependency node data
CMFnDoubleIndexedComponent	Double indexed component function set
CMFnDragField	Function set for Drag Fields
CMFnDynSweptGeometryData	Swept Geometry function set for dependency node data
CMFnEnumAttribute	Enumerated attribute function set
CMFnExpression	Expression function set
CMFnFalloffData	Introduced in 2022.0
CMFnField	Function set for Dynamic Fields
CMFnFloatArrayData	Float array function set for dependency node data
CMFnFloatVectorArrayData	Introduced in 2022.0
CMFnFluid	Fluid node function set
CMFnFreePointTriadManip	FreePointTriadManip function set
CMFnGenericAttribute	Generic attribute function set
CMFnGeometryData	Geometry data function set
CMFnGeometryFilter	Geometry filter function set
CMFnGravityField	Function set for Gravity Fields
CMFnHikEffector	Full Body IK end effector function set
CMFnIkEffector	Inverse kinematics end effector function set
CMFnIkHandle	Function set for inverse kinematics (IK) handles
CMFnIkJoint	Function set for joints
CMFnIkSolver	Function set for inverse kinematics (IK) solvers
CMFnImageSource	Function set for image sources
CMFnInstancer	Particle Instancer object access class
CMFnIntArrayData	Int array function set for dependency node data
CMFnKeyframeDelta	Base function set for keyframe deltas
CMFnKeyframeDeltaAddRemove	Function set for the addition or removal keys on a curve
CMFnKeyframeDeltaBlockAddRemove	Function set for block add or removal of keys
CMFnKeyframeDeltaBreakdown	Function set for changes in a key's breakdown state
CMFnKeyframeDeltaInfType	Function set for changes in pre or post infinity type
CMFnKeyframeDeltaMove	Function set for change in keyframe value or time
CMFnKeyframeDeltaScale	Deprecated in 2018.0
CMFnKeyframeDeltaTangent	Function set for changes to a key's tangent
CMFnKeyframeDeltaWeighted	Function set for changes in a key's weighted state
CMFnLambertShader	Manage Lambert shaders
CMFnLattice	Lattice function set
CMFnLatticeData	Lattice Data dependency graph type
CMFnLatticeDeformer	FFD lattice deformer function set
CMFnLayeredShader	Manage Layered shaders
CMFnLight	Manage dependency graph nodes representing lights
CMFnLightDataAttribute	Light data attribute function set
CMFnManip3D	3D manipulator function set
CMFnMatrixArrayData	Matrix array function set for dependency node data
CMFnMatrixAttribute	Matrix attribute function set
CMFnMatrixData	Matrix function set for dependency node data
CMFnMesh	Polygonal surface function set
CMFnMeshData	Mesh function set for dependency node data
CMFnMessageAttribute	Message attribute function set
CMFnMotionPath	Motion path animation function set
CMFnNewtonField	Function set for Newton Fields
CMFnNIdData	Function set for nId object data
CMFnNObjectData	Function set for nCloth object data
CMFnNonAmbientLight	Manage Non-ambient Light dependency Nodes
CMFnNonExtendedLight	Manage Non-extended Light dependency Nodes
CMFnNumericAttribute	Numeric attribute function set
CMFnNumericData	Numeric data function set
CMFnNurbsCurve	NURBS curve function set
CMFnNurbsCurveData	Nurbs Curve function set for dependency node data
CMFnNurbsSurface	NURBS surface function set
CMFnNurbsSurfaceData	Nurbs Surface function set for dependency node data
CMFnParticleSystem	Class for obtaining information about a particle system
CMFnPartition	Function set for partitions of objects
CMFnPfxGeometry	PfxGeometry node function set
CMFnPhongEShader	Manage phongE shaders
CMFnPhongShader	Manage Phong Shaders
CMFnPlugin	Register and deregister plug-in services with Maya
CMFnPluginData	User defined data function set for dependency node data
CMFnPointArrayData	Point array function set for dependency node data
CMFnPointLight	Manage Point Light dependency Nodes
CMFnPointOnCurveManip	PointOnCurveManip function set
CMFnPointOnSurfaceManip	PointOnSurfaceManip function set
CMFnRadialField	Function set for Radial Fields
CMFnReference	Function set for querying information about file references
CMFnReflectShader	Manage Reflective Surface Shaders
CMFnRenderLayer	Function set for render layer
CMFnRenderPass	Function set for render passes
CMFnRotateManip	RotateManip function set
CMFnScaleManip	ScaleManip function set
CMFnSet	Function Set for Sets of Objects
CMFnSingleIndexedComponent	Single indexed component function set
CMFnSkinCluster	SkinCluster function set
CMFnSphereData	Sphere function set for dependency node data
CMFnSpotLight	Manage Spot Light dependency Nodes
CMFnStandardSurfaceShader	Introduced in 2020.0
CMFnStateManip	StateManip function set
CMFnStringArrayData	String array function set for dependency node data
CMFnStringData	String function set for dependency node data
CMFnSubd	Subdivision surface function set
CMFnSubdData	Subdiv Surface function set for dependency node data
CMFnSubdNames	Manipulate Subdivision Surface vertex, edge and face ids
CMFnToggleManip	ToggleManip function set
CMFnToolContext	Tool context function set
CMFnTransform	Create and access transform nodes
CMFnTripleIndexedComponent	Triple indexed component function set
CMFnTurbulenceField	Function set for Turbulence Fields
CMFnTypedAttribute	Typed attribute function set
CMFnUInt64ArrayData	MUint64 array function set for dependency node data
CMFnUint64SingleIndexedComponent	Single MUint64 indexed component function set
CMFnUintArrayData	Introduced in 2022.0
CMFnUniformField	Function set for Uniform Fields
CMFnUnitAttribute	Unit attribute Function set
CMFnVectorArrayData	Int array function set for dependency node data
CMFnVolumeAxisField	Function set for VolumeAxis Fields
CMFnVolumeLight	Manage volume Light dependency Nodes
CMFnVortexField	Function set for Vortex Fields
CMFnWeightGeometryFilter	Weight geometry filter function set
CMFnWireDeformer	Wire deformer function set
CMGeometryData	This class allows storage of arbitrary data which is formated to be specifically suitable for usage using a 3D display interface such as OpenGL
CMGeometryLegacy	MGeometryLegacy stores the collection of MGeometryData arrays which describe a Maya surface, including per-component data such as UV mapping and colour
CMGeometryList	This class holds the set of data elements which represent a Maya surface
CMGeometryManager	This class provides methods for managing MGeometry resources
CMGeometryPrimitive	MGeometryPrimitive is a class describes the topology used for accessing MGeometryData
CMGeometryRequirementsLegacy	MGeometryRequirementsLegacy stores the collection of MGeometryRequirementsData arrays which describe a Maya surface, including per-component data such as UV mapping and colour
CMGLFunctionTable	The best cross platform alternative for drawing in Viewport 2.0 is via MHWRender::MVertexBuffer, MHWRender::MPxGeometryOverride, and other classes providing an abstraction from the underlying hardware API
CMGlobal	Static class providing common API global functions
CMGPUDeformerBuffer	Store GPU Representation of a data buffer
CMGPUDeformerData	Store GPU Representation of geometry data
CMGPUDeformerRegistrationInfo	Registration information for an MPxGPUDeformer
CMGPUDeformerRegistry	Registration class for MPxGPUDeformer
CMGraphEditorInfo	Graph Editor state information with manipulation capabilities
CMGraphNodeIterator	Provides access to the cluster nodes in a given evaluation graph
CMHairSystem	Interface with Maya's Dynamic Hair System
CMHardwareRenderer	Static hardware renderer interface class
CMHwrCallback	Rendering Callbacks
CMHWShaderSwatchGenerator	Hardware shader swatch generator utility class
CMHwTextureManager	The MHwTextureManager provides an interface for loading and using hardware textures
CMIffFile	Read file images stored on disk
CMIffTag	Encapsulates IFF's 4 character block structure
CMIkHandleGroup	IK handle groups
CMIkSystem	Inverse kinematics (IK) system class
CMImage	Image manipulation
CMImageFileInfo	Image manipulation
CMIndexMapper	Introduced in 2020.0
CMInt64Array	Array of 64-bit integers data type
CMIntArray	Array of integers data type
CMItCurveCV	Iterator for NURBS curve CVs
CMItDag	DAG Iterator
CMItDependencyGraph	Dependency Graph Iterator
CMItDependencyNodes	Dependency Node iterator
CMItEdits	Edits iterator
CMIteratorType	MIteratorType class
CMItGeometry	Iterator class for geometry data
CMItInstancer	Particle iterator
CMItKeyframe	Keyframe Iterator
CMItMeshEdge	Polygon edge iterator
CMItMeshFaceVertex	Face vertex iterator
CMItMeshPolygon	Polygon iterator
CMItMeshVertex	Polygon vertex iterator
CMItSelectionList	Iterate over the items in the selection list
CMItSubdEdge	Subdiv edge iterator
CMItSubdFace	Subdiv face iterator
CMItSubdVertex	Subdiv vertex iterator
CMItSurfaceCV	NURBS surface CV iterator
CMLibrary	Set up Maya to run in library mode. (OpenMaya)
CMLightLinks	Class providing read-only Light Linking API functions
CMLockMessage	Node and plug locking messages
CMManipData	Manipulator Data
CMMaterial	This class is used in the draw functions of user defined shapes (see MPxSurfaceShapeUI) for setting up and querying materials used in shaded mode drawing
CMMaterialArray	Array of pointers of MMaterial data type
CMMatrix	A matrix math class for 4x4 matrices of doubles
CMMatrixArray	Array of MMatrix data type
CMMeshIntersector	Mesh intersector
CMMeshIsectAccelParams	Class to define parameters for accelerated intersection operations
CMMeshSmoothOptions	Options for control of smooth mesh generation
CMMessage	Message base class
CMModelMessage	Scene messages
CMMutexLock	Methods for managing locks on threads created
CMNamespace	Namespace
CMnCloth	Class for wrapping N cloth objects
CMnObject	Class for wrapping N cloth objects
CMNodeCacheDisablingInfo	Introduced in 2020.0
CMNodeCacheDisablingInfoHelper	Introduced in 2020.0
CMNodeCacheSetupInfo	Introduced in 2020.0
CMNodeClass	A class for performing node class-level operations in the dependency graph
CMNodeMessage	Dependency node messages
CMnParticle	Class for wrapping N cloth objects
CMnRigid	Class for wrapping N cloth objects
CMnSolver	Class for wrapping N solver objects
CMNurbsIntersector	Nurbs intersector
CMObject	Generic Class for Accessing Internal Maya Objects
CMObjectArray	Array of MObjects data type
CMObjectHandle	Generic Class for validating MObjects
CMObjectListFilter	Class for defining a scene list filter
CMObjectSetMessage	Object Set Messages
CMOpenCLBuffer	Convenience class which makes allocating, updating and releasing OpenCL buffers easy
CMOpenCLInfo	Global OpenCL information used by Maya
CMOpenCLKernelInfo	Introduced in 2023.0
CMOpenCLUtils	Introduced in 2023.0
CMPaintMessage	Scene messages
CMPanelCanvas	Introduced in 2020.0
CMPanelCanvasInfo	Introduced in 2020.0
CMParentingEdit	Class for describing edits to parenting
CMPlane	A plane equation
CMPlug	Create and Access dependency node plugs
CMPlugArray	Array of MPlugs data type
CMPluginCallableInfo	Introduced in 2020.0
CMPoint	Implementation of a point
CMPointArray	Array of MPoint data type
CMPointOnMesh	Mesh intersector result
CMPolyMessage	Polygon component id change messages
CMProfiler	Class for working with Maya's profiler
CMProfilingScope	MProfilingScope is used to profile code execution time
CMProgressWindow	Create and manipulate progress windows
CMPx3dModelView	MPx3dModelView is the class for user defined model views
CMPxAnimCurveInterpolator	Base Class for User-defined Animation Curve Interpolation Types
CMPxAssembly	Parent class of all user defined assembly nodes
CMPxAttributePatternFactory	Base class for user-defined attribute pattern factories
CMPxBakeEngine	Baking functionality
CMPxBlendShape	Base class for user-defined blendshape deformers
CMPxCacheConfigRuleFilter	Introduced in 2019.0
CMPxCacheFormat	CacheFormat definition
CMPxCameraSet	Base class for user-defined camera set nodes
CMPxClientDeviceNode	Base class for client device creation
CMPxCommand	Base class for user commands
CMPxComponentShape	Component helper class for surface shapes
CMPxConstraint	Proxy constraint node
CMPxConstraintCommand	Proxy constraint command
CMPxContext	Base class for user defined contexts
CMPxContextCommand	Base class for context creation commands
CMPxControlCommand	Base class for control creation commands
CMPxCustomEvaluator	Base class for custom evaluation overrides in the evaluation manager
CMPxData	Base Class for User-defined Dependency Graph Data Types
CMPxDeformerNode	Base class for user defined deformers with per-vertex weights
CMPxDragAndDropBehavior	Drag and Drop Behavior
CMPxEditData	Base class used to associate user-defined data with edits
CMPxEmitterNode	Base class for user defined particle emitters
CMPxFieldNode	Base class for user defined fields
CMPxFileResolver	Base Class for creating custom Maya File Resolvers
CMPxFileTranslator	Base Class for creating Maya File Translators
CMPxFluidEmitterNode	Base class for user defined particle emitters
CMPxGeometryData	Base Class for User-defined Dependency Graph Geometry Data Types
CMPxGeometryFilter	Base class for user-defined deformers
CMPxGeometryIterator	Base class for user defined geometry iterators
CMPxGlBuffer	Historically this class was used to created offscreen buffers on Linux
CMPxGPUDeformer	Base class for user defined GPU deformer override evaluators
CMPxGPUStandardDeformer	Introduced in 2023.0
►CMPxHardwareShader	Base class for user defined hardware shaders
CRenderParameters	Provides information on how to render the image
CShaderContext	Provides contextual information about the current invocation of the shader
►CMPxHwShaderNode	Base class for user defined hardware shaders
CRenderParameters	Provides information on how to render the image
CMPxIkSolver	OBSOLETE CLASS: Base class for user defined IK solvers
CMPxIkSolverNode	Base class for user defined IK solvers
CMPxImageFile	Image manipulation
CMPxImagePlane	Base class for user defined imagePlane nodes
CMPxLocatorNode	Base class for user defined locators
CMPxManipContainer	Base class for user defined manipulator containers
CMPxManipulatorNode	Base class for manipulator creation
CMPxMaterialInformation	Material information proxy
CMPxMayaAsciiFilter	Translator to output filtered Maya ASCII files
CMPxMayaAsciiFilterOutput	Wrapper for a Maya Ascii file output stream
CMPxMidiInputDevice	Midi input device
CMPxModelEditorCommand	Base class for editor creation commands
CMPxMotionPathNode	Base class for user defined motionPath nodes
CMPxMultiPolyTweakUVCommand	Base class used for moving UV's on multiple objects
CMPxNode	Base class for user defined dependency nodes
CMPxObjectSet	Parent class of all user defined object sets
CMPxParticleAttributeMapperNode	User defined per particle attribute mapping nodes
CMPxPolyTrg	User defined poly triangulation support
CMPxPolyTweakUVCommand	Base class used for moving polygon UV's
CMPxPolyTweakUVInteractiveCommand	Base class used for moving polygon UV's
►CMPxRenderer	Base class for plugin renderers
CJobParams	Parameters for starting a new job
CProgressParams	Parameters for reporting progress of a task
CRefreshParams	Parameters for doing refresh of the view when new image data is available
CMPxRenderPassImpl	Render pass implementation
CMPxRepresentation	Abstract base class for user defined representations
CMPxSelectionContext	Base class for interative selection tools
CMPxSkinCluster	Base class for user-defined skin deformers
CMPxSpringNode	Base class for user defined spring law
CMPxSurfaceShape	Parent class of all user defined shapes
CMPxSurfaceShapeUI	Drawing and selection for user defined shapes
CMPxTexContext	Base class for user defined contexts working on uv editor
CMPxThreadedDeviceNode	Base class for threaded node creation
CMPxToolCommand	Base class for interactive tool commands
CMPxTopologyEvaluator	Introduced in 2019.0
CMPxTransform	Base class for user defined transforms
CMPxTransformationMatrix	Base class of all user defined transformation matrices
CMPxUIControl	Base class for control creation
CMPxUITableControl	Base class for creating new spreadsheet controls
CMQtUtil	Qt Utility Methods
CMQuaternion	Quaternion math
CMRampAttribute	Create and manipulate ramp attributes
CMRenderCallback	Rendering Callbacks
CMRenderData	Access Rendering Data
CMRenderingInfo	Information to perform rendering into a hardware render target
CMRenderLine	Class for accessing paint effects output curve data
CMRenderLineArray	Class for accessing paint effects output curve data
CMRenderPassDef	Render pass information
CMRenderPassRegistry	Access the render pass registry
CMRenderProfile	Render profile
CMRenderSetup	Utilities for obtaining render setup information
CMRenderShadowData	Access Rendering Shadow Map Data
CMRenderTargetLegacy	MRenderTargetLegacy is a class contains information about a given hardware render target
CMRenderUtil	Common API rendering functions
CMRenderView	Static class providing Render View API functions
CMRichSelection	Selection list supporting soft selection and symmetry
CMSceneMessage	Scene messages
CMScriptUtil	Utility class for working with pointers and references in Python
CMSelectInfo	Selection state information used in MPxSurfaceShapeUI::select
CMSelectionList	A list of MObjects
CMSelectionMask	Manage what is selectable in Maya. (OpenMaya) (OpenMaya.py)
CMSetAttrEdit	Class for describing setAttr edits
CMSharedPtr	Introduced in 2022.0
CMSpace	Space transformation identifiers
CMSpinLock	Methods for managing spin locks on threads
CMStartPrimitiveEditingFct	Introduced in 2023.0
CMStatus	Manipulate Maya Status codes
CMStopPrimitiveEditingFct	Introduced in 2023.0
CMStreamUtils	Stream functionality
CMString	Manipulate strings
CMStringArray	Array of MStrings data type
CMStringResource	Localizable string resources
CMStringResourceId	Unique identifier for an MString Resource
CMSwatchRenderBase	Swatch Render Base class
CMSwatchRenderRegister	Manages swatch generators
CMSyntax	Syntax for Commands
CMTemplateAction	Template class for non undoable actions
CMTemplateCommand	Template class for undoable commands
CMTemplateContextCommand	Template class for context commands
CMTemplateCreateNodeCommand	Template class for undoable commands to create/delete a node
CMTemplateSelectionContext	Template class for selection context
CMTesselationParams	Tesselation parameters
CMTextureEditorDrawInfo	Drawing state for drawing to the UV texture window with custom shapes
CMThreadAsync	Methods for creating threads
CMThreadPool	Methods for creating and managing a thread pool
CMThreadUtils	Helper methods for threaded plugins
CMTime	Set and retrieve animation time values in various unit systems
CMTimeArray	Array of MTime data type
CMTimer	This class works similar to timerX MEL command
CMTimeRange	Introduced in 2020.0
CMTimerMessage	Register callbacks that are based on a fixed time interval
CMTimeSliderCustomDrawManager	Introduced in 2023.0
CMTimeSliderDrawPrimitive	Introduced in 2023.0
CMTimeSliderDrawPrimitives	Introduced in 2023.0
CMToolsInfo	Tool information
CMTopologyClusterNode	Introduced in 2019.0
CMTransformationMatrix	Transformation matrix
CMTrimBoundaryArray	An array class for trim boundaries
CMTypeId	Manage Maya Object type identifiers
CMUiMessage	UI messages
CMUint64Array	Array of MUint64 data type
CMUintArray	Array of integers data type
CMUniformParameter	Uniform parameter
CMUniformParameterList	Uniform Parameter
CMUniqueString	A non-mutable string with O(1) comparison operators
CMURI	Manipulating Uniform Resource Identifiers
CMUserData	Virtual base class for user data caching
CMUserEventMessage	User defined Message Types
CMUuid	Class to manipulate UUIDs
CMVaryingParameter	Geometric data cache
CMVaryingParameterList	Geometric data cache
CMVector	A vector math class for vectors of doubles
CMVectorArray	Array of MVectors data type
CMViewportRenderer	MViewportRenderer is a class which represents a hardware viewport renderer
CMWeight	Component weight data
CRV_AOV	Arbitrary Output Variable (AOV) data type
CRV_PIXEL	Pixel data type