| Class | Description |
| AnnAfterObjectChangedEventArgs | Provides data for the AnnAutomation.AfterObjectChanged event. |
| AnnAudioObject | Defines an audio annotation object. |
| AnnAudioRunDesigner | This class extends AnnRunDesigner to provide functionality for running an AnnAudioObject on an annotation container. |
| AnnAutomation | Manages the automation for an annotation container and a an automation control such as the LEADTOOLS Leadtools.WinForms.RasterImageViewer control. |
| AnnAutomationManager | Manages the automation mode for an annotation application. |
| AnnAutomationObject | Defines all the properties needed to automate an annotation object. |
| AnnBeforeObjectChangedEventArgs | Provides data for the AnnAutomation.BeforeObjectChanged event. |
| AnnBrush | Classes derived from this abstract base class define objects used to fill the interiors of annotation objects like rectangles, ellipses, polygons, etc. |
| AnnButtonObject | Defines an annotation push button object. |
| AnnButtonRunDesigner | This class extends AnnRunDesigner to provide functionality for running an AnnButtonObject on an annotation container. |
| AnnClosedCurveObject | Defines a closed annotation curve object. |
| AnnCodecs | Provides support for loading and saving objects to annotation files. |
| AnnCodecsInformation | Provides information on an annotation file or stream. |
| AnnCodecsInvalidFormatException | The exception that is thrown for an invalid Annotation file format. |
| AnnContainer | Represents an Annotation container. |
| AnnControlPoint | Represents the shape of a control point (handle) used by the AnnEditDesigner. |
| AnnCrossProductDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnCrossProductObject on an annotation container. |
| AnnCrossProductEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnCrossProductObject on an annotation container. |
| AnnCrossProductObject | Defines an annotation cross product object. |
| AnnCurveObject | Defines an annotation curve object. |
| AnnDesigner | The base class for all the designers in the annotation toolkit. |
| AnnDottedEllipseControlPoint | Represents an ellipse-shaped AnnControlPoint with a dot in the center. |
| AnnDrawable | This is the base class for all annotation objects used in the Annotations class library. |
| AnnDrawDesigner | This class extends the AnnDesigner class to provide standard functionality for drawing Annotation objects on an annotation container. |
| AnnDrawDesignerEventArgs | Provides data for the AnnDrawDesigner.Draw event. |
| AnnEditDesigner | This class extends AnnDesigner to provide standard functionality for editing Annotation objects on an annotation container. |
| AnnEditDesignerEventArgs | Provides data for the AnnEditDesigner.Edit event. |
| AnnEllipseControlPoint | Represents an ellipse shaped AnnControlPoint. |
| AnnEllipseObject | Defines an annotation ellipse object. |
| AnnEncryptObject | Defines an annotation encrypt object. |
| AnnFont | Defines a particular format for text, including font face, size, and style attributes using to draw annotation strings. |
| AnnFreehandDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing a freehand AnnPolylineObject on an annotation container. |
| AnnFreehandHotspotObject | Defines an annotation freehand hot spot object. |
| AnnGroupEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnGroupObject on an annotation container. |
| AnnGroupObject | This class provides support for creating and managing annotation group objects. |
| AnnHatchBrush | Defines an annotation brush with a hatch style, a foreground color, and a background color. |
| AnnHiliteObject | Defines an annotation hilite object. |
| AnnHotspotObject | Defines an annotation hot spot object. |
| AnnImageObject | Defines an annotation image object. |
| AnnLinearGradientBrush | Encapsulates an annotation brush object with a linear gradient. |
| AnnLineDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnLineObject on an annotation container. |
| AnnLineEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnLineObject on an annotation container. |
| AnnLineObject | Defines an annotation line object. |
| AnnNewGroupEditDesigner | This class extends AnnRectangleEditDesigner to provide functionality for editing an AnnGroupObject on an annotation container. This class has improved rotate functionality over the AnnGroupEditDesigner. |
| AnnNoteObject | The note annotation object. |
| AnnObject | This is the base class for all annotation objects. |
| AnnPaintEventArgs | Provides data for the AnnContainer.BeforeDrawingObjects and AnnContainer.AfterDrawingObjects events. |
| AnnPen | Defines an object used to draw lines and curves for Annotation objects. |
| AnnPicture | Defines an annotation picture along with its transparency information. |
| AnnPointDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnPointObject on an annotation container. |
| AnnPointEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnPointObject on an annotation container. |
| AnnPointerObject | Defines an annotation pointer object. |
| AnnPointObject | Defines an annotation point object. |
| AnnPolygonObject | Defines an annotation polygon object. |
| AnnPolylineDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnPolylineObject on an annotation container. |
| AnnPolylineEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnPolylineObject on an annotation container. |
| AnnPolylineObject | Defines an annotation polyline object. |
| AnnPolyRulerObject | Defines an annotation polyruler object. |
| AnnPrinter | Supports printing of an Leadtools.RasterImage and a AnnContainer. |
| AnnProtractorDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnProtractorObject on an annotation container. |
| AnnProtractorEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnProtractorObject on an annotation container. |
| AnnProtractorObject | Defines an annotation protractor object. |
| AnnRectangleControlPoint | Represents a rectangular AnnControlPoint. |
| AnnRectangleDrawDesigner | This class extends the AnnDrawDesigner class to provide functionality for drawing an AnnRectangleObject on an annotation container. |
| AnnRectangleEditDesigner | This class extends AnnEditDesigner to provide functionality for editing an AnnRectangleObject on an annotation container. |
| AnnRectangleObject | Defines an annotation rectangle object. |
| AnnRedactionObject | Defines an annotation redaction object. |
| AnnRichTextDrawDesigner | This class extends the AnnRectangleDrawDesigner class to provide functionality for drawing an AnnRichTextObject on an annotation container. |
| AnnRichTextEditDesigner | This class extends AnnRectangleEditDesigner to provide functionality for editing an AnnRichTextObject on an annotation container. |
| AnnRichTextObject | This class provides support for creating and managing Rich Text annotation objects |
| AnnRubberStampObject | Defines an annotation stamp object. |
| AnnRulerObject | This class provides support for creating and managing Ruler annotation objects. |
| AnnRunDesigner | This class extends AnnDesigner to provide standard functionality for running Annotation objects on an annotation container. |
| AnnRunDesignerEventArgs | Provides data for the AnnRunDesigner.Run event. |
| AnnSnapToGridOptions | Options for annotation snap to grid behavior in annotation automation design mode. |
| AnnSolidBrush | Defines an annotation brush of a single color. |
| AnnStampObject | Defines an annotation stamp object. |
| AnnTextDrawDesigner | This class extends the AnnRectangleDrawDesigner class to provide functionality for drawing an AnnTextObject on an annotation container. |
| AnnTextEditDesigner | This class extends AnnRectangleEditDesigner to provide functionality for editing an AnnTextObject on an annotation container. |
| AnnTextObject | This class provides support for creating and managing Text annotation objects |
| AnnTextPointerDrawDesigner | This class extends the AnnRectangleDrawDesigner class to provide functionality for drawing an AnnTextPointerObject on an annotation container. |
| AnnTextPointerEditDesigner | This class extends AnnRectangleEditDesigner to provide functionality for editing an AnnTextPointerObject on an annotation container. |
| AnnTextPointerObject | This class provides support for creating and managing text pointer objects. |
| AnnTextRollupObject | This class provides support for creating and managing text rollup annotation objects. |
| AnnTextRollupRunDesigner | This class extends AnnRunDesigner to provide functionality for running an AnnTextRollupObject on an annotation container. |
| AnnTransformer | The AnnTransformer class is an Annotation support class which provides functionality for converting annotation points, rectangles, lengths, etc. from one coordinate system to another. |
| AnnUnitConverter | The AnnUnitConverter class contains methods and properties for converting between different units of measurement. |
| AnnVideoObject | Defines a video annotation object. |
| AnnVideoRunDesigner | This class extends AnnRunDesigner to provide functionality for running an AnnVideoObject on an annotation container. |