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Chapter 7 Advanced Application Topics
© National Instruments Corporation 7-7 BridgeVIEW User Manual
How Do You Control Panel Visibility?
There are several ways to control the visibility of an operator interface
panel from your application. These options are listed below:
• Enable the Show Front Panel when Called and Close Afterwards if
Originally Closed options in the VI Setup Execution options. This
option applies only to subVIs.
• Enable the Show Front Panel when Called and Close Afterwards if
Originally Closed options in the SubVI Node Setup options. This
option applies when you call the VI as a subVI.
• Use the property node function found under Functions»Application
Control. Right-click on the property node and select Select VI Server
Class»Virtual Instrument, and then left-click the property node and
select Front Panel Window»Open.
For more information about VI Server functions, see Chapter 15,
Application Control.
BridgeVIEW System Control
As you develop more sophisticated user interfaces, you might find that you
need to exercise control over portions of the BridgeVIEW environment
from your own applications. The System VIs palette provides mechanisms
to programmatically control the BridgeVIEW Engine.
System VIs
The System VIs provide you with several functions that control actions
such as launching and shutting down the Engine, enabling and disabling
logging, invoking the Login dialog box, and so on. You can reach the
System VIs through the Functions»System VIs palette, shown below.
For more information about the System VIs, refer to Appendix A,
HMI Function Reference.