The zoom toolbar

The zoom commands work on the complete diagram window.

The zoom toolbar
ButtonMenu commandDescription
[...]View, Actual SizeDisplays diagram in original size.
[...]View, Fit In WindowResizes the diagram so it is completely visible in the diagram window.
[...]View, Zoom InMakes the diagram arger, so you see less of the diagram in the diagram window.
[...]View, Zoom OutMakes the diagram smaller, so you see more of the diagram in the diagram window.