National Instruments BridgeVIEW Manuale Utente

Appendix A

HMI Function Reference

© National Instruments Corporation

A-47

Check Operator Privileges

Use this VI to check the current user’s privileges and produce a Boolean output indicating if 
the currently logged in user has the privilege. Additional inputs can be sent to display a dialog 
box with a message (OK or OK/Cancel) and/or launch the login prompt if the current user 
does not have the requested privilege.

  

privilege to check inspects the privileges of the current BridgeVIEW user 
to see if he or she has been granted this privilege.

prompt for login (F) opens the Login dialog box if the current 
BridgeVIEW user does not have the requested privilege, and the input 
is

TRUE

.

dialog type (none) displays a dialog box if the current BridgeVIEW user 
does not have the requested privilege, and the message input is not empty. 
The type of dialog box is determined by the following input:

•

OK—A dialog box appears displaying a message and an OK button. 
If the prompt for login input is 

TRUE

, the login dialog box appears 

after the message dialog box is closed.

•

OK/Cancel—A dialog box displaying a message and OK and Cancel 
buttons. If the prompt for login input is 

TRUE

, the login dialog box 

appears when the OK button in the message dialog box is pressed.

message is the message to display if the dialog type input is not 

none

, and 

the current BridgeVIEW user does not have the requested privilege.

user has privilege is 

TRUE

 if the current BridgeVIEW user has the 

requested privilege.

login cancelled is 

TRUE

 if the current BridgeVIEW user does not have the 

requested privilege, prompt for login was 

TRUE

, and the login dialog box 

was cancelled.