For automation interface information about the Read Only property, see the automation interface topic for the owning item type in the Related Topics.

This property specifies that the Attribute or Role is read-only.

This is useful if you want to use the Attribute or Role as a constant, in which case you set its value through the Default property.

By default, the Read Only check box is cleared.

This property is set on the Options tab of an Attribute's or Role's Property Pages.

The following section provides information about the items and diagrams for which Read Only is a property. For more information about an item or diagram, click it.