## OptionButtonControl class The OptionButton control enables a single choice in a limited set of mutually exclusive choices. ```csharp public class OptionButtonControl : MorphDataControl ``` ## Pr......docx"); Shape shape1 = (Shape)doc.GetChild(NodeType.Shape, 0, true);...false; Shape shape2 = (Shape)doc.GetChild(NodeType.Shape, 1, true);...