Note: This topic is for Document/Medical only.

When working with automated annotations, you can use automated pop-up menus when you right-click an object while in design mode. These menus allow you to set certain properties of The WPF annotation object. In design mode, you can click on the object with the right mouse button to perform various actions. All objects provide the following actions:

• Cut or copy the object to the clipboard.
• Delete the object.
• Bring the object to the front or send it to the back, the first, or the last position in the Z-order.
• Flip or reverse the object.
• Lock or unlock the object.
• Reset Rotate Points (if you have selected the Use Rotate Points behavior). For more information refer to WPF Annotation Rotation Options..
• Set default properties. For more information, refer to Setting Annotation Defaults.

The following topics describe the automated annotation features for particular objects and tools:

• Audio Clip Tool
• Button Tool
• Closed Curve Tool
• Cross Product Tool
• Curve Tool
• Ellipse Tool
• Encrypt Tool
• Freehand Hotspot Tool
• Highlight Tool
• Hotspot Tool
• Line Tool
• Note Tool
• Point Tool
• Pointer Tool
• Polygon Tool
• Polyline (Freehand Line) Tool
• Polyline Tool
• PolyRuler Tool
• Protractor Tool
• Rectangle Tool
• Redaction Tool
• Rubber Stamp Tool
• Ruler Tool
• Selection Pointer Tool
• Stamp Tool
• Text Pointer Tool
• Text Tool
• TextRollup Tool

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Audio Clip Tool

The AnnAudioObject annotation object is a rectangle containing a scaled image that can be activated to play a WAV file. In design mode, you can click and drag to specify the rectangle in the current window. You can then use the Properties dialog to specify the WAV file. In run mode the mouse pointer changes to a hand when it is over the object, and clicking on the object plays the WAV file. In design mode, you can click on the object with the right mouse button to do the following:

• Play the WAV file.
• Access the Audio Properties dialog box.

In design mode, access the Audio Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects.
• Change the picture properties.
• Select a WAV file to load into the object.

When you save this type of annotation, the WAV file is not saved. Only its path is saved. For more information, refer to AnnAudioObject.

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Button Tool The AnnButtonObject annotation object is an image of a standard Windows button that can be activated. In design mode, you can click and drag to specify the size of the button in the current window. In run mode the mouse pointer changes to a hand when it is over the button, and clicking on the button fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Button Properties dialog box.

In design mode, access the Button Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the text and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnButtonObject.

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Cross Product Tool

The AnnCrossProductObject annotation object consists of two simple lines intersecting at right angles. With the automated functions, in design mode the cross product is started on a mouse-down and completed on a mouse-up. In run mode the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.).In design mode, you can click on the object with the right mouse button to do the following:

• Access the Cross Product Properties dialog box.

In design mode, access the Cross Product Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing WPF Annotation Hyperlinks.
• Change the measurement units, precision, gauge length, and tick mark settings.
• Change the stroke and its characteristics (line width and brush properties).
• Change the font selection and font characteristics.

For more information, refer to AnnCrossProductObject.

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Ellipse Tool The AnnEllipseObject annotation object is a simple ellipse. In design mode, you click and drag to specify the ellipse in the current window. In run mode the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Ellipse Properties dialog box.

In design mode, access the Ellipse Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics (fill mode).

For more information, refer to AnnEllipseObject.

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Freehand Hot Spot Tool The AnnFreehandHotspotObject annotation object is an array of points that creates a sequence of joined lines. With the automated functions, in design mode, each line segment is formed with a mouse move when the left button is down, and the object is completed on a mouse up. In run mode, the object is transparent, but the mouse pointer changes to a hand when it is over the object. In run mode, clicking on the hotspot fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Delete or Add a Control Point.
• Access the Freehand Hotspot Properties dialog box.

In design mode, access the Freehand Hot Spot Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the fill rule. Set the IsClosed flag.
• Change the picture and its properties.

For more information, refer to AnnFreehandHotspotObject.

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Highlight Tool The AnnHiliteObject annotation object is a rectangle with default properties that are appropriate for highlighting an area. In design mode, you can click and drag to specify the rectangle in the current window. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the hilite object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Hilite Properties dialog box.

In design mode, access the Hilite Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the Hilite color.

For more information, refer to AnnHiliteObject.

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Hotspot Tool The AnnHotspotObject annotation object is a rectangle with a scaled picture that is displayed whenever The WPF annotation is in design mode. In design mode, you can click and drag to specify the rectangle in the current window. In run mode, the object is transparent but the mouse pointer changes to a hand when it is over the object, and clicking on the hotspot fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the HotSpot Properties dialog box.

In design mode, access the HotSpot Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the picture and its properties.

For more information, refer to AnnHotspotObject.

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Line Tool The AnnLineObject annotation object is a simple Line. In design mode, the line is formed with a mouse move when the left button is down, and the object is completed on a mouse up. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the line fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Line Properties dialog box.

In design mode, access the Line Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).

For more information, refer to AnnLineObject.

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Note Tool The AnnNoteObject annotation object is a rectangle with a shadow border and a colored background (yellow by default). It contains a character string with font properties. The text will wrap on word breaks within the object's specified rectangle. In design mode, you can click and drag to specify the rectangle in the current window. You can then use the Note Properties dialog box to enter text. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the note object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Note Properties dialog box.

In design mode, access the Note Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the text and its characteristics.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnNoteObject.

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Point Tool The AnnPointObject annotation object is a single point. With the automated functions, in design mode, each point is formed with a mouse click. This object works two ways: If the object has a valid image, in run mode the object draws the picture centered around its point. If there is no image, in run mode the object draws an ellipse using its stroke and fill. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the point object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Point Properties dialog box.

In design mode, access the Point Properties dialog box to do the following:

• Change the header properties. Set the show flag.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the point's radius.
• Change the picture and its properties, or delete it.
• Change the stroke and its characteristics (line width and brush properties). Set the use flag.
• Change the fill and its characteristics. Set the use flag.

For more information, refer to AnnPointObject.

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Pointer Tool The AnnPointerObject annotation object is defined by two points, with the an arrow at the first point. In design mode, the line is formed with a mouse move when the left button is down, and the object is completed on a mouse up. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the line fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Pointer Properties dialog box.

In design mode, access the Pointer Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).

For more information, refer to AnnPointerObject.

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Polygon Tool The AnnPolygonObject annotation object is an array of points that define the vertices of a polygon. In design mode, each line segment is formed with a mouse click, and the object is completed on a double-click. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.)

• Delete or Add a Control Point.
• Access the Polygon Properties dialog box.

In design mode, access the Polygon Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the fill mode and set the Closed flag, which controls whether the double-click also closes the polygon with a line from the last point to the first point.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the gap between control points.

For more information, refer to AnnPolygonObject.

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Polyline (Freehand Line) Tool The AnnPolylineObject freehand annotation object is an array of points that create a sequence of joined lines. In design mode, each line segment is formed with a mouse move event when the left button is down, and the object is completed on a mouse up event. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Delete or Add a Control Point.
• Access the Polyline Properties dialog box.

In design mode, access the Polyline Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).
• Change the gap between control points.

For more information, refer to AnnPolylineObject.

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Protractor Tool

The AnnProtractorObject annotation object consists of two simple lines joined at a vertex to create an angle. With the automated functions, the first line of the protractor is started on a mouse-down and completed on a second mouse-down. The second line is completed on a third mouse-down. The center is the point created with the first mouse-down. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.). In design mode, you can click on the object with the right mouse button to do the following:

• Access the Protractor Properties dialog box.

In design mode, access the Protractor Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing WPF Annotation Hyperlinks.
• Change the protractor's angular unit of measure, abbreviation, precision, arc radius and arc radius unit of measure. Set the Acute flag, which specifies whether to mark the inside (acute) or outside (obtuse) angle.
• Change the measurement units, precision, gauge length, and tick marks used by the ruler.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnProtractorObject.

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Rectangle Tool The AnnRectangleObject annotation object is a simple rectangle. In design mode, you can click and drag to specify the rectangle in the current window. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Rectangle Properties dialog box.

In design mode, access the Rectangle Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.

For more information, refer to AnnRectangleObject.

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Redaction Tool The AnnRedactionObject annotation object is a rectangle with default properties that are appropriate for blacking out an area. In design mode, you can click and drag to specify the rectangle in the current window. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Realize the redaction object.
• Restore a redaction object that has been realized.
• Access the Redaction Properties dialog box.

In design mode, access the Redaction Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the brush and its characteristics.

For more information, refer to AnnRedactionObject.

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Rubber Stamp Tool The AnnRubberStampObject annotation object is an object that can use any of many predefined metafiles. In design mode, you can click and drag to specify the rectangle in the current window. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Rubber Stamp Properties dialog box.

In design mode, access the Rubber Stamp Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the rubber stamp type.

For more information, refer to AnnRubberStampObject.

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Ruler Tool

The AnnRulerObject annotation object is a line marked off in units that can be used to measure the distance between two points on the image on which it lies. In design mode, the ruler is formed with a mouse move when the left button is down, and the object is completed on a mouse up. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the ruler fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Ruler Properties dialog box.

In design mode, access the Ruler Properties dialog box to do the following:

• Change the name properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing WPF Annotation Hyperlinks.
• Change the measurement units, precision, gauge length, and tick mark settings.
• Change the stroke and its characteristics (line width and brush properties).
• Change the font selection and font characteristics.

For more information, refer to AnnRulerObject.

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Selection Pointer Tool The selection pointer is the mouse pointer used to select and manipulate annotation objects when in design mode. With the selection pointer, you can select one or more objects as follows:

• You can select a single object by clicking on the object.
• You can click and drag to create a rectangular selection area that selects all objects that are completely contained within it.
• You can hold down the shift key while clicking on several objects, one-at-a-time, which selects the objects that have been clicked.

When an object is selected, handles appear on the corners of its bounding rectangle. You can click on the body of the object to drag it to another position. You can click on a handle and drag the handle to resize the object. If more than one object is selected, all of them are moved. In addition, you can use the selection pointer to rotate an object. If you hold down the shift key, click on a handle, and drag the mouse, the object rotates. If more than one object is selected, all of them are rotated, using the center of the group as the center of rotation. The popup menu is also affected if more than one object is selected. In that case, when you click the right mouse button, the popup menu lets you change the properties of all the selected objects, and it lets you delete all the selected objects. For more information, refer to AnnSelectObject.

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Stamp Tool The AnnStampObject annotation object can be a bitmap image or a text string in a rectangular frame. In design mode, you can click and drag to specify a rectangle. Then, if you specify a text string, the text is centered in the rectangle. If you specify a bitmap, the bitmap is scaled to fit the rectangle. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Stamp Properties dialog box.

In design mode, access the Stamp Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Select a picture and set its properties.
• Change the text and its characteristics.
• Change the stroke and its characteristics (line width and brush properties).
• Change the file and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnStampObject.

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Text Tool The AnnTextObject annotation object is a rectangle containing a character string with font properties. The text will wrap on word breaks within the object's specified rectangle. In design mode, you can click and drag to specify the rectangle in the current window. A dialog box then lets you enter the text. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Access the Text Properties dialog box.

In design mode, access the Text Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the text and its characteristics.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnTextObject.

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TextRollup Tool The AnnTextRollupObject annotation object extends the AnnNoteObject by adding an Expanded property. When this property is set to true, the text rollup object looks and behaves like a normal note. When Expanded is set to false, the text rollup object collapses to display only one line of text. This saves space on the container surface. Like the AnnNoteObject, the AnnTextRollupObject is a rectangle with a shadow border and a colored background (yellow by default). It contains a character string with font properties. The text will wrap on word breaks within the object's specified rectangle. In design mode, you can click and drag to specify the rectangle in the current window. You can then use the Text Rollup Properties dialog box to enter text. In run mode, clicking on the object causes it to switch between the Expanded and the Collapsed display. In design mode, you can click on the object with the right mouse button to do the following:

• Select the Expanded option.
• Access the Text Rollup Properties dialog box.

In design mode, access the Text Rollup Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the text and its characteristics.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnTextRollupObject.

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Curve Tool The AnnCurveObject annotation object is a sequence of points that are joined by cubic polynomials such that adjacent polynomials are continuous at the first and second derivatives. The result is a smooth, continuous curve going through all the points. In design mode, each curve is formed with a mouse click, and the object is completed on a double-click. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Delete or Add a Control Point.
• Access the Curve Properties dialog box.

In design mode, access the Curve Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Set the Tension value.
• Change the stroke and its characteristics (line width and brush properties).
• Change Control Point properties.

For more information, refer to AnnCurveObject.

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Closed Curve Tool The AnnClosedCurveObject annotation object is a sequence of points that are joined by cubic polynomials such that adjacent polynomials are continuous at the first and second derivatives. Unlike the curve annotation object, the first and last endpoints are also joined by a curve. The result is a smooth, continuous closed curve going through all the points. In design mode, each curve is formed with a mouse click, and the object is completed on a double-click. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.) In design mode, you can click on the object with the right mouse button to do the following:

• Delete or Add a Control Point.
• Access the Closed Curve Properties dialog box.

In design mode, access the Closed Curve Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the Polygon properties.
• Set the Tension value.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change Control Point properties.

For more information, refer to AnnClosedCurveObject.

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Polyruler Tool

The AnnPolyRulerObject annotation object is an array of points that create a sequence of joined rulers. In design mode, each line segment is formed with a mouse click, and the object is completed on a double-click. The polyruler can be used to measure the distance of an irregularly shaped object. As ruler segments are added, removed, or changed in length, a running total of the total distance is displayed. In run mode, the mouse pointer changes to a hand when it is over the object, and clicking on the object fires the Run event. You can add code to process the event. (The example program merely displays a message box.). In design mode, you can click on the object with the right mouse button to do the following:

• Delete or Add a Control Point.
• Access the Poly Ruler Properties dialog box.

In design mode, access the Poly Ruler Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing WPF Annotation Hyperlinks.
• Change the measurement units, precision, gauge length, and tick marks.
• Change the stroke and its characteristics (line width and brush properties).
• Change the font selection and font characteristics.
• Change Control Point properties.

For more information, refer to AnnPolyRulerObject.

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Encrypt Tool

The AnnEncryptObject annotation object is a rectangular object that is used to encrypt rectangular portions of a bitmap. It can also be used to encrypt the entire bitmap.

The encrypt object is useful for encrypting portions of a bitmap. After encrypting, the scrambled bitmap cannot easily be unscrambled without the associated annotation file. The scrambling can be removed by using the associated annotation file, or by using automation mode to manually change the encryptor to a decryptor, position it correctly, and setting the key appropriately.

In design mode, create the encrypt object by selecting the Encrypt tool and then clicking and dragging the mouse to create the rectangular encrypt object. Then while the object is selected, right-click the object and select the Encrypt Properties menu item, enter the key in the Key field on the Encrypt tab of the Encrypt Properties dialog that appears, and then click Apply.

After setting the key you can right-click the object and select the Apply Encryptor option to scramble the pixels underneath the object. In design mode, the encrypt object is visible but partially transparent to show the part of the bitmap that it covers.

In run mode, the encrypt object is invisible. In run mode, if an encrypt object (state encryptor) has been applied to the bitmap, the pixels underneath the encryptor's location are physically scrambled in a manner that depends upon the key used when the encrypt object was created.

An encrypt object has two pictures--one for when it is an encryptor (Primary), and one for when it is a decryptor (Secondary). In design mode you can change the pictures used by the automation object on the Pictures tab of the Encrypt Properties dialog (or in the code set the PrimaryPicture property and the SecondaryPicture property). The default picture for the encryptor is shown in the following figure:

The default picture for the decryptor is shown in the following figure:

If you have one or more encrypt objects selected and you change the "pictures" then the encryptor picture changes for all of the selected encrypt objects. Overlapping regions can be encrypted. When encrypting overlapping regions, note the following points:

• All annotation objects have an order in which they are drawn (the Z-order).
• The encryptors are encrypted from the front of the Z-order to the back.
• Those that are drawn first are encrypted first.
• Those that are drawn last ("on top" of other encryptors) are encrypted last.
• The Z-order can be changed through automation by right-clicking and choosing "Bring To Front" or "Send To Back".
• The decryptors are decrypted in reverse order of the encryptors.

After creating an encrypt object by designating its key and location, you must call Apply to apply the encrypt object. Once applied, the portion of the bitmap under the encrypt object becomes scrambled, and the encrypt object changes state to become a decryptor. Using different keys before calling this function gives different scrambling patterns The decryptor state differs from the encryptor state in that a decryptor cannot be moved, and cannot be changed to an encryptor. The scrambling can be removed by calling Apply on the decryptor with the appropriate arguments. If successful, the decryptor state changes to encryptor. An encrypt object in that encrytpor state can be moved, can have its key changed, and can be changed to a decryptor.

When a bitmap that has had portion(s) of the bitmap encrypted is saved, the encryption information is saved with the rest of the annotation information in the associated annotation information file. In design mode, you can click on the object with the right mouse button to do the following:

• Apply an Encryptor.
• Apply a Decryptor.
• Access the Encrypt Properties dialog box.

In design mode, access the Encrypt Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing WPF Annotation Hyperlinks.
• Change the Encrypt properties.
• Change the pictures used for the Encryptor and Decryptor and set their properties.

For more information, refer to AnnEncryptObject.

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Text Pointer Tool The AnnTextPointerObject annotation object is a rectangle with a line that starts from one of the four corners of the bounding rectangle. The other endpoint of the line can be moved to point to anything on the underlying image. The rectangle contains a character string with font properties. The text will wrap on word breaks within the object's specified rectangle. This extra endpoint may or may not be fixed. In design mode, click and drag to specify the rectangle in the current window. After letting up on the mouse button, the rectangle is specified. Moving the mouse now specifies the line, with a final mouse click defining the line. Holding down the Shift key while drawing the rectangle will make the text annotation square. Holding down the Shift Key will snap the line to angles of 45 degrees. After the text pointer is defined, a dialog box then lets the user enter the text. As soon as the Text object is created, the text will be highlighted. The text may be edited immediately. When moving a text pointer, the pointer endpoint of the line can remain fixed, or move with the rest of the text pointer. To change this setting in automation mode, select or deselect the Fixed Pointer check box on the Text tab of the Text Pointer Properties dialog box.In design mode, you can click on the object with the right mouse button to do the following:

• Select or deselect the Fixed Pointer option.
• Access the Text Pointer Properties dialog box.

In design mode, access the Text Pointer Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Edit the text and its characteristics.
• Change the stroke and its characteristics (line width and brush properties).
• Change the fill and its characteristics.
• Change the font selection and font characteristics.

For more information, refer to AnnTextPointerObject.

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Polyline Tool The AnnPolylineObject annotation object is an array of points that create a sequence of joined lines. In design mode, each line segment is formed with a mouse click, and the object is completed on a double-click. In run mode, the mouse pointer changes to a hand when it is over the object. In run mode, clicking on the object fires the Run event. You can add code to process the event. (The example program merely pops up a message box.)

• Delete or Add a Control Point.
• Access the Polyline Properties dialog box.

In design mode, access the Polyline Properties dialog box to do the following:

• Change the header properties.
• Set and manage hyperlink properties for an object or group of objects. Note: The actual management of a hyperlink must be done through low-level implementation. Only the Menu Item "Hyperlink" and an associated event are provided through the automation object. For more information, refer to Implementing Annotation Hyperlinks.
• Change the stroke and its characteristics (line width and brush properties).
• Change the gap between control points.

For more information, refer to AnnPolylineObject.

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