![]() Select this checkbox to override (but not overwrite) the 'Name' and 'Size' settings with the system default heading font definition.Ĭlick on this button to save the changes you have made, and to close the 'Preferences' dialog. This overrides the font size set in the MS Windows 'Font' dialog. This feature is particularly useful for non-English character sets.Ĭhanges take effect immediately after the 'Preferences' dialog is closed.Ĭlick on the drop-down arrow and select the font size of the caption bar text. The caption bar shows each element name immediately over its element in the diagram. Select the checkbox to automatically truncate the Lifelines for elements that have a defined lifecycle, by drawing an X after the last Message (that is, assume garbage collect rather than explicit delete).Ĭlick on the button to display the MS Windows 'Font' dialog, and define how the caption bar text (at the top of the Sequence diagram) is rendered. Select the checkbox to set implicit Return Messages when none are explicitly drawn (recommended).ĭeselect the checkbox to use Return Messages only when they are explicitly created. (This option takes effect when a new element is added, an existing element is repositioned, or the diagram is closed and re-opened) The condition of the if statement will be checked. ![]() Sequence of statement execution: Block 1 will be executed. 18.4k 8 8 gold badges 40 40 silver badges 53 53 bronze badges. The diagram shows how objects in the system exchange messages and which objects are active at any particular time. Sequence diagrams can also be called event diagrams or event scenarios. This is only advisable if you are familiar with the requirement to use the Alt key.Ĭlick on the drop-down arrow and select the line width (in points, between 0 and 20) of the 'focus of control' rectangle (the body at the start and end of a Message, on the Lifeline). A more complex form of the selection structures is given by if - else. Extension points are representing in sequence diagrams by call to other behaviour, which means separate diagram. A sequence diagram models the interactions between objects in a system in sequential order over time. To avoid displaying the tool-tip, deselect the checkbox. If you do not hold down the Alt key the selected Message will move close to the next Message but will not go past it. The tool-tip is to remind you that to swap the Message positions, and thus re-order the Messages, you must hold down the Alt key. Select the checkbox to display a tool-tip when you attempt to move one Message above or below another. Select the checkbox to set the default concurrency for Sequence Messages to Asynchronous.ĭeselect the checkbox to set the default concurrency to Synchronous.Įnable tooltips when re-ordering messages Select the checkbox to automatically render new Messages passing from right to left as Return Messages. ![]() Select the checkbox to display sequence numbers against the Sequence Messages on the diagrams. Select the checkbox to set the default orientation of your Sequence diagrams to landscape.
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