Introduction
WPF AnnFreehandHotspotObject
Note: This topic is for Document/Medical only. The freehand hot spot annotation object (AnnFreehandHotspotObject) 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 event when the left button is down, and the object is completed on a mouse up event. In run mode, the object is transparent, but the mouse pointer changes to a hand when it is over the object. You can change the points of a freehand object using the Points collection property. Programmatically, the boundaries and location of the freehand hotspot object can be controlled using the following properties:
The AnnFreehandHotspotObject class inherits a number of properties from the AnnObject class that provide support for font, pen and brush characteristics. These properties are listed below:
The name of the freehand hotspot object can be controlled using the following properties, inherited from the AnnObject class:
- Header
- HeaderBackground
- HeaderDecorations
- HeaderFontFamilyName
- HeaderFontSize
- HeaderFontStretch
- HeaderFontStyle
- HeaderFontWeight
- HeaderForeground
- HeaderOffset
- IsHeaderRestricted
- IsHeaderVisible
The following properties may be used in transforming a freehand hotspot annotation object:
An object can be part of a group annotation object or part of a container object. It cannot be part of both a group and a container at the same time. The following properties can also be used to programmatically set characteristics of an AnnFreehandHotspotObject class object:
- IsClosed
- FillRule
- Hyperlink
- IsLocked
- Password
- Picture
- IsVisible For more information about the automated freehand hotspot annotation object, refer to WPF Annotation Objects - Automated Features and WPF Automated Annotations - Hotspot Picture Tab.
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