National Instruments BridgeVIEW 用户手册

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Chapter 2 BridgeVIEW Environment
BridgeVIEW User Manual 2-6 © National Instruments Corporation
 
Controls and Indicators
Controls and indicators in G are similar to input and output parameters 
or graphs in traditional programming languages. BridgeVIEW contains 
a variety of controls and indicators that you can choose according to the 
kind of values or quantities you want to evaluate or display. 
You can configure all the controls and indicators using options from their 
pop-up menus. Popping up on individual components of controls and 
indicators displays menus for customizing those components. To access 
the pop-up menu, right-click on any object that has a pop-up menu.
The primary data types you use in BridgeVIEW applications
 
 
numeric, 
Boolean, string, and tag, are described in the following sections.
Numeric
You use numeric controls to enter numeric quantities, while numeric 
indicators display numeric quantities. The two most commonly used 
numeric objects are the digital control and the digital indicator, shown 
below. You can find these controls and indicators in the Numeric 
subpalette of the Controls palette.