Increases the zoom level of the canvas
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Decreases the zoom level of the canvas
Set the zoomlevel of the canvas such that the entire diagram
is displayed
Set the zoomlevel of the canvas to one
Invokes grid dialog.
Go to the package containing the selected package, i.e.
move up in the hierarchy tree.
Set the current mode on the canvas to
layout mode
Set the current mode on the canvas to
edit mode
Calculate Layout
Calculate new layout of the diagram