mark

Indicates the shape to use when filling a Check Box object.

Reference_Syntax.mark = "default | check | circle | cross | diamond | square | star"

Type	Values
String	`default` (default) `check` `circle` `cross` `diamond` `square` `star` The default marks vary depending on the shape of the Checkbox object. A corner to corner for square and a filled circle for round. The new marks are font-based symbols. `check` `circle` `cross` `diamond` `square` `star`

Model	Object
Form Model	checkButton

XFA 2.5

CheckBox1.resolveNode("ui.#checkButton").mark = "diamond";

CheckBox1.ui.#checkButton.mark = "diamond"