Top Toolbar

Button	Description
	To save the diagram and close the workbench
	To save the diagram
	To return to the last saved version of the diagram
	To delete the current selected diagram objects from the diagram
	To print the diagram on a local printer
	To undo the last user action
	To reverse the last Undo command
	To increase zoom level
	To decrease zoom level
	To set the zoom to the default value 100
	To resize the diagram to make it completely visible