Are you doing this simply because you want to avoid having to navigate to the function via the...
Tools -> Update -> Update for External Change
...menu sequence?
If so, perhaps you were unaware that you can use Customize and assign any menu item to an icon on a toolbar so that you can execute the function with a single gesture.
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA Siemens PLM: UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.