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Add Connectors To Locked Elements

When working in a diagram containing locked elements, you can add connectors depending on the lock status of the source and target elements.


Element Status

Add Connectors

See also

Source unlocked, target unlocked

Yes, any kind of connector can be added



Source unlocked, target locked

Yes, except for Composition connectors



Source locked, target unlocked

No, except for Composition connectors



Source locked, target locked

No, prohibited for all connectors




Generally, a connector can be added if its source is unlocked - you are modifying what the source can see
The exception is Composition connectors, where the target (the parent) must be unlocked - you are modifying the parent by adding children
Connectors with locked source or target elements are also locked; to unlock the connector, you must unlock the source and/or target element

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