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EA_OnPreDeleteDiagram notifies Add-Ins that a diagram is to be deleted from the model. It enables Add-Ins to permit or deny deletion of the diagram.

This event occurs when a user attempts to permanently delete a diagram from the Browser window. The notification is provided immediately before the diagram is deleted, so that the Add-In can disable deletion of the diagram.


Function EA_OnPreDeleteDiagram (Repository As EA.Repository, Info As EA.EventProperties) As Boolean

The EA_OnPreDeleteDiagram function syntax contains these parameters.



See also



Direction: IN

Description: An EA.Repository object representing the currently-open Enterprise Architect model. Poll its members to retrieve model data and user interface status information.

Repository Class



Direction: IN

Description: Contains this EventProperty object for the diagram to be deleted:

  • DiagramID: A long value corresponding to Diagram.DiagramID
EventProperties Class

Return Value

  • Return True to enable deletion of the diagram from the model
  • Return False to disable deletion of the diagram