This section describes the tools provided in order to edit a class/package dependency diagram easily
Select the Selection mode tool
Drag a set of elements on class dependency diagram
As a result , a set of Class dependency diagam objects is selected .
Select the Zooming mode tool
click left mouse key to zoom in and right mouse key to zoom out .
zoom in
zoom out
As a result , the Class Diagram object was zoomed .
Select Create an indication tool , then put on one Class diagram object , and link to a note , it can help you make some documents .
like this , you can did it easily .