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Defining derivations
Union general | The General page of a simple type union property sheet displays the | ||
properties | following properties: | ||
| Property |
| Description |
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| ID |
| ID of the simple type union. Its value must be of type ID and |
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| unique within the model containing the simple type union |
| Member Types |
| White space separated list of |
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| qualified names (See Glossary) |
Union types |
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The Union Types page of a simple type union property sheet displays a list | |||
properties | where you can add simple types using the Add Simple Type tool. |
To define a simple type derivation by union:
1Select Union in the Derivation dropdown listbox of a simple type property sheet.
2Click Apply.
3Click the Properties tool beside the Derivation box. The simple type union property sheet appears.
4Type an ID and member types for the simple type union.
5 Click OK.
114 | PowerDesigner |