General Techniques of Using Diagrams
In this section:
Select elements in diagram
To select an element, just click it in diagram.
To select multiple adjacent elements, keep Shift pressed and click the desired elements, or just drag a lasso around the elements to be selected.
To select multiple non-adjacent elements, keep Ctrl+Shift pressed and click the desired elements.
To select a member of a node element, double-click the node element, and then use the arrow keys, or the mouse pointer.
Manage diagram layout
Right-click the diagram background, and choosecommand of the diagram context menu. Next, select the desired layout from the submenu.
Use Drag-and-drop technique to lay out entities in diagram manually.
Apply the current layout selected on the context menu of the diagram, by clicking .
Zoom in and out, do one of the following
Use the and toolbar buttons.
Keeping Ctrl key pressed, rotate your mouse wheel up or down.
Press NumPad+ or NumPad-.
Use the magnifier tool
Keep the Alt key pressed, and hover your mouse pointer over the most interesting, or problematic areas of the diagram.