Creates a new accessibility object for the System.Windows.Forms.RadioButton control.
A new System.Windows.Forms.RadioButton.RadioButtonAccessibleObject for the control.
If you do not explicitly call the RadioButton.CreateAccessibilityInstance method, it will be called when the Control.AccessibilityObject property is referenced.
To get or set the Control.AccessibilityObject property, you must add a reference to the Accessibility assembly installed with the .NET Framework.