Updating Views
To control the update behavior of the views in an active drawing, specify
the Automatic view update mode.
If selected, drawing views update as you change the model. You can also
set an option to specify whether views are updated when opening drawings.
While a drawing view updates, its icon in the FeatureManager design tree
changes to: 
.
NOTE: You cannot activate or
edit a drawing view that needs to be updated.
To change the update mode in the current
drawing:
Right-click the drawing icon at the top of the FeatureManager design
tree, and select or clear Automatic view
update.
To interrupt an update to a drawing:
Press Esc.
To update drawing views manually:
Right-click the drawing icon at the top of the
FeatureManager design tree and clear Automatic
view update if it is checked.
Click Edit,
Update All Views.
- or -
Click Rebuild 
(Standard toolbar)
or Edit, Rebuild.
To update automatically when opening drawings:
Click Tools,
Options, System
Options, Drawings.
-
Select Allow auto-update when opening
drawings.
NOTE: The automatic updating
of views when opening drawings does not affect Automatic
view update for the active drawing document.