| ExtendedPropertyDefinition(Int32, MapiPropertyType) | Initializes a new instance of the ExtendedPropertyDefinition class. |
| ExtendedPropertyDefinition(DefaultExtendedPropertySet, Int32, MapiPropertyType) | Initializes a new instance of ExtendedPropertyDefinition. |
| ExtendedPropertyDefinition(DefaultExtendedPropertySet, String, MapiPropertyType) | Initializes a new instance of the ExtendedPropertyDefinition class. |
| ExtendedPropertyDefinition(Guid, Int32, MapiPropertyType) | Initializes a new instance of the ExtendedPropertyDefinition class. |
| ExtendedPropertyDefinition(Guid, String, MapiPropertyType) | Initializes a new instance of the ExtendedPropertyDefinition class. |