| Name | Type | Cardinality | Description |
| Height | ocx:Quantity_T | [1, 1] | The height of the parent element. |
| Width | ocx:Quantity_T | [1, 1] | The width of the parent element. |
| Radius | ocx:Quantity_T | [1, 1] | The radius of the parent element. |
| Displacement | ocx:Quantity_T | [0, 1] | The Radius displacement outside the original corner of the rectangle. If left out (or set to zero), the radius passes through the original corner of the rectangle. |
| Description | xs:string | [0, 1] | Contains a description of the component its parent represents. The description is stored as a string. You can use this element for whatever purposes you require. This element can be used inside many OCX XML elements but is optional. |
| CustomProperties | ocx:CustomProperties_T | [0, 1] | Container for custom properties. |