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Altova UModel 2021

The UMLData interfaces allow direct UML-level access to a UModel document. Using these interfaces, you can read and directly modify the UML representation of the document.

 

IUMLData is the common base interface of IUMLElement and IUMLGuiElement.

 

IUMLElements contains elements as defined by the UML specification (see http://www.uml.org).

 

IUMLGuiElements contains Altova-specific elements for diagrams, and members used to show IUMLElements on diagrams.

 

For examples of modifying UML elements and GUI elements, see Object model UMLData.

 

Errors

The IUMLData interfaces may return the API error codes listed below.

 

1000

The application object is no longer valid.

1001

Invalid parameter or invalid address for the return parameter was specified.

1002

UModel API is not available in the current edition.

1400

Invalid UMLData modification.

1401

Invalid Waypoint modification.

1402

No changes allowed.

1403

No changes allowed during Undo/Redo.

1404

Element is hidden by Element Style (visibility).

1405

Predefined element not found.

1406

Predefined element is of invalid kind.

 

For the error codes specific to the UModel API in general, see UModel API Errors.

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