National Instruments BridgeVIEW 用户手册
Chapter 2
BridgeVIEW Environment
© National Instruments Corporation
2-7
Boolean
You use Boolean controls and indicators for entering and displaying
Boolean (TRUE/FALSE) values. Boolean objects simulate switches,
buttons, and LEDs. The most commonly used Boolean objects are
the vertical switch and the round LED, shown below, found in the
Boolean subpalette.
Boolean (TRUE/FALSE) values. Boolean objects simulate switches,
buttons, and LEDs. The most commonly used Boolean objects are
the vertical switch and the round LED, shown below, found in the
Boolean subpalette.
String
You use string controls and indicators for entering and displaying ASCII
characters. You can use strings for simple text messages displayed to the
user and for character streams sent to serial devices, instruments, or files.
characters. You can use strings for simple text messages displayed to the
user and for character streams sent to serial devices, instruments, or files.
You can find the string control and indicator in Controls»String
Table Tags. You can enter or change text inside a string control using
the Operating tool or the Labeling tool. Enlarge string controls and
indicators by dragging a corner with the Positioning tool.
Table Tags. You can enter or change text inside a string control using
the Operating tool or the Labeling tool. Enlarge string controls and
indicators by dragging a corner with the Positioning tool.
If you want to minimize space that a front panel string control or indicator
occupies, select Show»Scrollbar. If this option is dimmed, you must
increase the vertical size of the window to make it available.
occupies, select Show»Scrollbar. If this option is dimmed, you must
increase the vertical size of the window to make it available.
Digital Control
Digital Indicator
Label
Increment Buttons
Label