National Instruments BridgeVIEW 用户手册

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页码 455
Chapter 4
Human Machine Interface
© National Instruments Corporation
4-15
7.
Click on the pair of tweezers to return to Edit mode. You can finish 
editing the control in Edit mode. 
8.
Pop up on the housing of the slide and select Scale»Style»None. The 
scale for the slide disappears.
9.
Change tools to the Color tool. To do this, you either can select the tool 
from the palette, if visible, or you can use the <Tab> key to rotate 
through the tools until the Color tool is selected. Pop up on the housing 
for the slide with the Color tool, and select the transparent color. The 
housing disappears, as shown in the following illustration. 
With the Operator tool, you can operate the “slide.” Notice that the 
digital display continues to update as you move the boat on the screen. 
If you want to hide the digital display, pop up on the boat and deselect 
Show»Digital Display.
10. Save this control as 
Boat1.ctl
 in the 
BridgeVIEW\Activity
 
directory.
End of Activity 4-2.
How Do You Configure Front Panel Objects 
Programmatically?
BridgeVIEW has objects called attribute nodes which are special block 
diagram nodes you can use to control the appearance and functional 
characteristics of controls and indicators from your diagram. You can set 
attributes such as display colors, visibility, position, blinking, trend scales, 
and many more. See Chapter 13, 
, or 
, for more information.