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

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• object() : MFnBase , MObjectHandle
• objectAttribute() : MPxConstraintCommand
• objectColor : MPxLocatorNode , MPxSurfaceShape , MPxTransform , MFnDagNode
• objectDisplay() : M3dView , MPx3dModelView
• objectDisplayStatus() : MDrawInfo
• objectGroup() : MFnGeometryData
• objectGroupColor : MPxLocatorNode , MPxSurfaceShape , MPxTransform
• objectGroupComponent() : MFnGeometryData
• objectGroupCount() : MFnGeometryData
• objectGroupId : MPxLocatorNode , MPxSurfaceShape , MPxTransform
• objectGroups : MPxLocatorNode , MPxSurfaceShape , MPxTransform
• objectGroupType() : MFnGeometryData
• objectGrpCompList : MPxLocatorNode , MPxSurfaceShape , MPxTransform
• objectListFilterName() : M3dView
• objectName() : MGeometryData
• objectOwnsData() : MGeometryData
• objectRef() : MObjectHandle
• objectSelectionMask() : MGlobal
• objectSetOverride() : MSceneRender
• objectToWorldMatrix() : MGeometryList
• objectTypeExclusions() : MSceneRender
• objFilterType : MIteratorType
• offset : MPxImagePlane , MVertexBufferDescriptor
• offsetAttribute() : MPxConstraintCommand
• offsetX : MPxImagePlane
• offsetY : MPxImagePlane
• okForMultipleDraw() : MPx3dModelView
• onBoundary() : MFnMesh , MItMeshEdge , MItMeshPolygon , MItMeshVertex
• one : MFloatVector , MVector
• opacity() : MFnParticleSystem
• open() : MFileIO , MIffFile , MPxCacheFormat , MPxImageFile
• openDevice() : MPxMidiInputDevice
• operationType() : MRenderOperation
• operator bool() : MStatus
• operator MMatrix() : MQuaternion
• operator MObject() : MPlug
• operator!() : MPlug
• operator!=() : MFloatPoint , MFloatVector , MMatrix , MObject , MObjectHandle , MPlug , MPoint , MPxTransformationMatrix , MQuaternion , MStatus , MString , MStringResourceId , MTime , MTimer , MTransformationMatrix , MTypeId , MVector , MAttributeIndex , MColor , MCursor , MEulerRotation , MFloatMatrix
• operator()() : MColor , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MVector
• operator*() : MPoint , MQuaternion , MTime , MVector , MColor , MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix
• operator*=() : MColor , MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MQuaternion , MTime , MVector
• operator+() : MColor , MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MQuaternion , MString , MTime , MVector
• operator++() : MTime
• operator+=() : MColor , MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MString , MTime , MVector
• operator-() : MColor , MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MQuaternion , MTime , MVector
• operator--() : MTime
• operator-=() : MEulerRotation , MFloatMatrix , MFloatPoint , MFloatVector , MMatrix , MPoint , MTime , MVector
• operator/() : MColor , MFloatPoint , MFloatVector , MPoint , MTime , MVector
• operator/=() : MColor , MFloatVector , MTime , MVector
• operator<() : MTime
• operator<< : MString , MStringArray , MTime , MTimeArray , MUint64Array , MUintArray , MVector , MVectorArray , MArgList , MCallbackIdArray , MColor , MColorArray , MDagPathArray , MDoubleArray , MEulerRotation , MFloatArray , MFloatMatrix , MFloatPoint , MFloatPointArray , MFloatVector , MFloatVectorArray , MIntArray , MMatrix , MMatrixArray , MPoint , MPointArray , MPxMayaAsciiFilterOutput , MPxTransformationMatrix , MQuaternion , MStatus
• operator<=() : MTime
• operator=() : MDoubleArray , MEulerRotation , MAngle , MAnimCurveClipboardItem , MArgList , MArrayDataBuilder , MArrayDataHandle , MAttributeIndex , MAttributeSpecArray , MBoundingBox , MCallbackIdArray , MColor , MColorArray , MCursor , MDagPath , MDataHandle , MDGContext , MDistance , MDrawData , MDrawRequest , MDrawRequestQueue , MEulerRotation , MFileObject , MFloatArray , MFloatMatrix , MFloatPoint , MFloatVector , MFloatVectorArray , MGeometry , MIntArray , MManipData , MMatrix , MMatrixArray , MObjectHandle , MPlug , MPoint , MPointArray , MPxTransformationMatrix , MQuaternion , MRampAttribute , MRenderLine , MRenderLineArray , MSelectionMask , MTargetBlendDesc , MBlendStateDesc , MStencilOpDesc , MDepthStencilStateDesc , MSamplerStateDesc , MUniformParameterList , MString , MStringResourceId , MSyntax , MTesselationParams , MVectorArray , MTimer , MTransformationMatrix , MUint64Array , MUintArray , MUniformParameter , MTime , MVaryingParameter , MVaryingParameterList , MVector , MWeight , MTypeId , MStatus , MStringArray , MSelectionList , MRasterizerStateDesc , MPxTransformationMatrix , MObject , MPlugArray , MManipData , MFloatPointArray , MVertexBufferDescriptor , MDagPathArray , MAttributeSpec
• operator==() : MFloatPoint , MFloatVector , MStatus , MObjectHandle , MCursor , MAttributeSpec , MEulerRotation , MQuaternion , MTimer , MVector , MPlug , MObjectHandle , MAttributeIndex , MColor , MDagPath , MFloatMatrix , MMatrix , MObject , MAnimCurveClipboardItem , MPxTransformationMatrix , MStatus , MPxTransformationMatrix , MStringResourceId , MTime , MTypeId , MPlug , MPoint , MIffTag , MStatus , MPxTransformationMatrix , MTransformationMatrix , MString
• operator>() : MTime
• operator>=() : MTime
• operator[]() : MVector , MFnStringArrayData , MFloatVector , MFloatMatrix , MFnPointArrayData , MUintArray , MFnComponentListData , MVector , MUintArray , MFloatPoint , MCallbackIdArray , MFloatPoint , MObjectArray , MQuaternion , MDoubleArray , MUint64Array , MMatrix , MStringArray , MFnDoubleArrayData , MTimeArray , MColorArray , MStringArray , MFnVectorArrayData , MColorArray , MDoubleArray , MMatrix , MFnUInt64ArrayData , MDagPathArray , MFnIntArrayData , MFloatArray , MFnStringArrayData , MFnPointArrayData , MCallbackIdArray , MFnUInt64ArrayData , MDagPathArray , MFloatVectorArray , MPlug , MFloatPointArray , MPlug , MPlugArray , MAttributeSpec , MFloatVector , MFnVectorArrayData , MQuaternion , MPoint , MIntArray , MPlugArray , MIntArray , MAnimCurveClipboardItemArray , MAttributeSpecArray , MFnDoubleArrayData , MColor , MEulerRotation , MVectorArray , MPoint , MTimeArray , MFnIntArrayData , MColor , MObjectArray , MPointArray , MAttributeSpec , MPointArray , MUint64Array , MTrimBoundaryArray , MVectorArray , MEulerRotation , MAnimCurveClipboardItemArray , MMatrixArray , MFloatMatrix , MFloatPointArray , MFloatArray , MFloatVectorArray , MMatrixArray
• operator^() : MVector , MFloatVector
• operator|() : MSelectionMask
• opticalFXvisibility() : MFnLight
• optionVarDoubleValue() : MGlobal
• optionVarIntValue() : MGlobal
• optionVarStringValue() : MGlobal
• order : MEulerRotation , MPxCameraSet
• origin : MPoint , MFloatPoint
• Origin : MFnBlendShapeDeformer
• origin() : MFnBlendShapeDeformer
• originalParticleShape() : MFnParticleSystem
• originX() : MRenderingInfo
• originY() : MRenderingInfo
• orthoWidth() : MFnCamera
• outColor : MPxHwShaderNode , MPxHardwareShader
• outColorB : MPxHwShaderNode , MPxHardwareShader
• outColorG : MPxHardwareShader , MPxHwShaderNode
• outColorPP : MPxParticleAttributeMapperNode
• outColorR : MPxHardwareShader , MPxHwShaderNode
• outGlowColor : MPxHwShaderNode
• outGlowColorB : MPxHwShaderNode
• outGlowColorG : MPxHwShaderNode
• outGlowColorR : MPxHwShaderNode
• outMatteOpacity : MPxHwShaderNode
• outMatteOpacityB : MPxHwShaderNode
• outMatteOpacityG : MPxHwShaderNode
• outMatteOpacityR : MPxHwShaderNode
• outMaxValue : MPxParticleAttributeMapperNode
• outMinValue : MPxParticleAttributeMapperNode
• outputArrayValue() : MDataBlock , MArrayDataHandle
• outputGeom : MPxDeformerNode
• outputShapeAtIndex() : MFnGeometryFilter
• outputValue() : MDataBlock , MArrayDataHandle
• outTangentType() : MItKeyframe , MFnAnimCurve
• outTransparency : MPxHwShaderNode
• outTransparencyB : MPxHwShaderNode
• outTransparencyG : MPxHwShaderNode
• outTransparencyR : MPxHwShaderNode
• outValuePP : MPxParticleAttributeMapperNode
• override() : MViewportRenderer
• overrideResolvedFullName() : MFileObject
• overridesDrawState() : MPxShaderOverride
• overrideThenStandardExclusion() : MViewportRenderer
• overscan() : MFnCamera