You can delete messages from sequence diagrams or delete
them permanently from all diagrams and projects. When you delete
a message, you have different results depending on the type of message
that you delete.
To delete a message, in the diagram editor,
right-click a message; then click Delete from Diagram or Delete
from Model.
Note: When you delete a message, the result
differs depending on the type of messages.
- If
you delete a send message from a synchronous message, the corresponding
execution occurrence and return message are also deleted.
- If you delete a return message from a synchronous message, the
corresponding send message and execution occurrence remain intact.
- If you delete an asynchronous message, the send message and
corresponding execution occurrence are deleted.
- If you delete a create message, the lifeline extends vertically
to the top of the interaction frame.
- If you delete a destroy message, the lifeline extends vertically
to the bottom of the interaction frame.