Analysis Objects
            IDLanROI: An object referencing a region of interest.
            IDLanROIGroup: Analytical representation of a group of regions of interest.
            File Format Objects
            IDLffDICOM: Contains the data for one or more images embedded in a DICOM Part 10 file. 
            IDLffDicomEx: Allows you to read and write data contained in a DICOM file.
            IDLffJPEG2000: Functionality for reading and writing JPEG-2000 files.
            IDLffLangCat: Finds and loads an XML language catalog.
            IDLffMrSID: Used to query information about and load image data from a MrSID (.sid) image file.
            IDLffShape: Contains geometry, connectivity and attributes for graphics primitives.
            IDLffVideoRead: Opens and reads a video file.
            IDLffVideoWrite: Write to a video file.
            IDLffXMLDOMAttr: An object referencing an attribute that is part of an element object in an XML document.
        
            IDLffXMLDOMCDATASection: Used to escape blocks of text in an XML document containing characters that would otherwise be regarded as markup.
        
            IDLffXMLDOMCharacterData: Extension of the IDLffXMLDOMNode class that supplies a set of methods for accessing character data in the XML DOM tree.
        
            IDLffXMLDOMComment: An object referencing the content of an XML comment.
            IDLffXMLDOMDocument: An object referencing the entire XML document as the root of the XML document tree and by providing the primary access to the document’s data.
        
            IDLffXMLDOMDocumentFragment: An object referencing a document fragment in an XML document.
        
            IDLffXMLDOMDocumentType: References a DocumentType node in an XML document.
        
            IDLffXMLDOMElement: References an element node in an XML document.
        
            IDLffXMLDOMEntity: References an entity, either parsed or unparsed, in an XML document.
        
            IDLffXMLDOMEntityReference: References an entity reference node in an XML document.
        
            IDLffXMLDOMNamedNodeMap: Container for IDLffXMLDOM nodes that uses node names to access the nodes.
        
            IDLffXMLDOMNode: Abstract class used as a superclass for other IDLffXMLDOM node classes.
        
            IDLffXMLDOMNodeIterator: Allows iterative navigation of the XML DOM tree.
        
            IDLffXMLDOMNodeList: Container for IDLffXMLDOM nodes.
        
            IDLffXMLDOMNotation: An object referencing a notation in the XML DTD.
        
            IDLffXMLDOMProcessingInstruction: An object referencing a processing instruction in an XML document.
        
            IDLffXMLDOMText: References a text node in the XML document.
        
            IDLffXMLDOMTreeWalker: Allows tree-walking navigation of the XML DOM tree.
        
            IDLffXMLSAX: An object referencing an XML SAX level 2 parser.
            IDLgrVRML: Saves the contents of an Object Graphics hierarchy into a VRML 2.0 format file.
            Graphic Objects – Destination
            IDLgrBuffer: An in-memory, off-screen destination object.
            IDLgrClipboard: A destination object representing the native clipboard.
            IDLgrPDF: A destination object that outputs to a PDF file.
            IDLgrPrinter: An object referencing a hardcopy graphics destination.
            IDLgrWindow: An object referencing an on-screen area on a display device that serves as a graphics destination.
            Graphic Objects
            IDLgrAxis: An object referencing a single vector that may include a set of tick marks, tick labels, and a title.
            IDLgrColorbar: Consists of a color-ramp with an optional framing box and annotation axis. 
            IDLgrContour: Draws a contour plot from data stored in a rectangular array or from a set of unstructured points.
            IDLgrFont: An object referencing a typeface, style, weight, and point size that may be associated with text objects.
            IDLgrImage: An object referencing a mapping from a 2D array of data values to a 2D array of pixel colors, resulting in a flat 2D-scaled version of the image, drawn at Z = 0.
            IDLgrLegend: Provides a simple interface for displaying a legend.
            IDLgrLight: A light source for 3D graphic objects.
            IDLgrModel: An object graphics container that can be transformed (rotated, scaled, and/or translated).
            IDLgrPalette: An object referencing a color lookup table that maps indices to red, green, and blue values.
            IDLgrPattern: Describes which pixels are filled and which are left blank when an area is filled. 
            IDLgrPlot: Creates set of polylines connecting data points in 2D space.
            IDLgrPolygon: An object referencing one or more polygons that share a set of vertices and rendering attributes.
            IDLgrPolyline: An object referencing one or more polylines that share a set of vertices and rendering attributes. 
            IDLgrROI: Object graphics representation of a region of interest.
            IDLgrROIGroup: Object Graphics representation of a group of regions of interest.
            IDLgrScene: An object that serves as a container of IDLgrView or IDLgrViewgroup objects.
            IDLgrSurface: A shaded or vector representation of a mesh grid. No superclasses.
            IDLgrSymbol: An object referencing a graphical element that is plotted relative to a particular position.
            IDLgrTessellator: Decomposes a polygon description into a set of triangles.
            IDLgrText: An object referencing one or more text strings that share common rendering attributes.
            IDLgrView: An object graphics container that represents a rectangular area in which graphics objects are drawn.
            IDLgrViewgroup: An object graphics container that can contain IDLgrView objects and also objects without a Draw method.
            IDLgrVolume: An object referencing mapping from a 3D array of data to a 3D array of voxel colors, which, when drawn, are projected to two dimensions.
            Miscellaneous Objects
            IDL_Container: A container for other objects.
            IDL_IDLBridge: Creates and controls a synchronous or an asynchronous child IDL process.
            IDL_Object: A parent class that allows your object class to use operator overloading.
            IDL_Savefile: Provides query and restore capabilities for SAVE files.
            IDLjavaObject: An IDL object encapsulating a Java object.
            IDLsysMonitorInfo: Contains information about the display monitor or monitors attached to your system.
            TrackBall: Translates widget events from a draw widget into transformations that emulate a virtual trackball.
            Network Objects
            IDLnetJPIP: Allows for the ability to stream JPEG2000 imagery from a remote JPIP server.
            IDLnetOGCWCS: Provides the ability to query and return data from an OGC Web Coverage Service server.
            IDLnetOGCWMS: Provides the ability to query and return data from an OGC Web Map Service server.