National Instruments BridgeVIEW 用户手册

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页码 455
Chapter 7
Advanced Application Topics
© National Instruments Corporation
7-5
5.
Make a copy of the Alarms button. Click on the button text with the 
labeling tool and name the button 
Monitor
.
6.
Pop up on the Monitor button and select Panel G Wizard…. Use the 
same settings as before, but connect this button to the 
Monitor 
Product.vi
 you created in Activity 4-3, 
.
7.
Make a copy of the Monitor button. Rename the button 
Trend
. Using 
the Panel G Wizard, connect this button to the 
My Tank HMI.vi
 you 
created in Activity 4-1, 
.
8.
Your front panel should now look like this.
 
9.
Before you run the VI, make sure that the correct 
mytanks.scf
 file 
is being used. If the engine is currently running, you can check 
the Engine Manager display. If an incorrect 
.scf
 file is in use, stop 
the engine and open the Tag Browser. Select Tag Browser… to 
configure BridgeVIEW to open the 
mytanks.scf
 file in the 
BridgeVIEW\Activity
 directory. Launch the engine either from the 
Engine Manager display or by selecting Project»Launch Engine….
10. Save 
My Menu Bar.vi
. Run the VI. When you press on one of the 
buttons, the appropriate panel should open and run.
11. Experiment with other buttons to open the Historical Trend Viewer, 
invoke a Login prompt, and so on. You can also configure security 
access checks on the buttons.
End of Activity 7-1.
VI Server Functions
The VI Server provides you with several functions to control your VIs, 
such as panel location, size, and visibility. These functions are useful when 
your application requires a large number of different operator screens.