You can configure the Scalability Mode to be enabled only for very large files. To configure the
Scalability
settings:
- Select
Window > Preferences
from the IDE menu bar.
The
Preferences
dialog box appears.
- From the left panel, expand the
C/C++ > Editor
tree controls and select
Scalability
.
The
Scalability
page appears in the right panel.
Figure 1.
Preferences Dialog Box - Scalability Page

- Specify the desired settings in the
Scalability mode detection
and the
Scalability mode settings
groups.
- Click
Apply
.
- Click
OK
.
The
Preferences
dialog box closes. The IDE saves and applies the changes you specified.