This method creates a new property definition and attaches it to the interface definition.
Set variable = object.CreatePropertyDef( sObjId, name, dispId, CType )
The CreatePropertyDef method syntax has the following parts.
| Part | Description | 
| object | An object expression that evaluates to an InterfaceDef object. | 
| variable | A variable declared as a PropertyDef object. Receives the new property definition. | 
| sObjId | The object identifier to be used for the new property definition object. The Repository engine will assign an object identifier if you set this parameter to OBJID_NULL. | 
| name | The name of the new property. | 
| dispId | The dispatch identifier to be used for accessing the new property. | 
| CType | The C data type of the property. For a definition of valid values, see the ODBC Programmer's Reference. |