| Name | Description |
| AddGeometrySet | Method that creates a new mark geometry set. |
| Copy | Method that creates a copy of this MarkDefinition object. |
| MarkGeometrySetItem | Method that returns the specified MarkGeometrySet object from the collection. |
| Name | Description |
| Application | Gets the root Application object. Where the property is weakly-typed, it can be set to (QueryInterfaced for) 'Application' when running with Inventor whereas, 'ApprenticeServer' when running with the Apprentice Server. |
| MarkGeometrySetCount | Property returns the number of mark geometry sets currently defined in the definition. |
| Parent | Gets the parent object from whom this object can logically be reached. |
| Type | Gets the constant that indicates the type of this object. |