WPF AnnRulerObject

Note: This topic is for Document/Medical only. The ruler annotation object (AnnRulerObject) is a simple line with gauges on both ends for measuring distance. With the automated functions, the ruler is started on a mouse-down event and completed on a mouse-up event. Programmatically, the boundaries and location of the ruler object can be controlled using the following properties:

The AnnRulerObject 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 ruler object can be controlled using the following properties, inherited from the AnnObject class:

The following properties may be used in transforming a ruler annotation object:

The AnnRulerObject class implements the IAnnRuler interface. This interface provides a number of ruler properties that control certain aspects of the rulers themselves and indicate which characteristics will be displayed on the ruler. These properties are listed below:

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 AnnRulerObject class object:

For more information about the automated ruler annotation object, refer to WPF Annotation Objects - Automated Features and WPF Automated Annotations - Ruler Tab.