Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.


The Diagram Behavior page of the Options dialog enables you to define how a diagram responds to actions taken on it.

Access:     Tools | Options > Diagram : Behaviour

Use to:

  • Define diagram behaviour




See also

Auto Instance

Automatically create object instances when dragging certain element types - such as Class and Component - from the Project Browser, with the dragged element as the classifier


Instance has Classifier style

Automatically apply the classifier style of the element an instance is instantiated from when the instance is created


Show Life Lines

Show life lines for Sequence elements in non-Sequence diagrams


Layout uses all relations

Show all relationships in a diagram layout; deselect the checkbox to show only Generalizations and Associations


Auto Save Changes

Automatically save your changes as you work, without having to confirm prompts to do so


Show 'Hidden' Parents

Display any parents of elements in the diagram that are not part of the diagram


Auto Group Elements

Also move visually composed elements when moving diagram nodes; a node is considered composed if it is contained by the moved element and has a higher Z-order

Press and hold ( Alt ) whilst moving an element to toggle this option

Diagram Context Menu

Show Linked Items in Package

Display connected items on packages


Show Package Item Scope

Display the + and - indicators representing the scope of the items


Shift-Mouse Autoscroll

Enable you to press and hold ( Shift ) and use the mouse to autoscroll around diagrams


Use Automatic SubActivities

Generate a new Structured Activity linked to the diagram from a Structured Activity diagram dragged from the Project Browser


Always Highlight Context Element

Show a hatch border around a selected element

Highlight Context Element

Objects Snap to Grid

Snap all elements to the grid lines


Show Grid

Display the grid


Grid Size

Specify the grid size, if you have selected Objects Snap to Grid


Auto Tidy

Automatically tidy line angles for custom connectors; this 'nudges' the custom line into horizontal and vertical increments

Connector Styles

Tidy line gap

Specify the amount Enterprise Architect should enable you to move a line away from horizontal and vertical when you are tidying lines for custom connectors. (See Auto Tidy above)

Connector Styles

Alias only

Display the alias instead of the element name on elements with aliases


Alias and Name

Display both the element name and the Alias in the format (Alias) name


Use alias field for role

Replace the Alias property of instances with a Role property