This enumeration specifies the COM interface type. Use this attribute with InterfaceTypeAttribute to specify how your .NET interfaces are exposed to COM. public enum ComInterfaceType { InterfaceIsDual = 0 , InterfaceIsIUnknown = 1 , InterfaceIsIDispatch = 2 } Hierarchy System.Objectaut System.ValueType Returned ByInterfaceTypeAttribute.Value Passed ToInterfaceTypeAttribute.InterfaceTypeAttribute( ) |