Java Reference
In-Depth Information
Controls
Theprogramwindowin
Figure25-3
containsseveralcontrols:thebuttons
on the title bar, the menu items and menu commands, and the scroll bars.
Buttons, scroll bars, and menu commands are just a few of the many control
components that are available in a graphics application. The components
that are used in implementing input/output and program manipulation op-
erations are generically called controls.
vertical scroll bar
menu bar
controlbuttons
program icon
title bar
drop-down menu
horizontal scroll bar
Figure 25-3 Components ofa Program Window
Incidentally...
Some controls have been around since the original GUI operating sys-
tems.
