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#!F-adobe-helvetica-medium-r-normal--18*
#!N 
#!CNavyBlue #!N  #!Rbuico Using Control Panels and Interactors #!N #!EC #!N 
#!N As you create a visual program, you may have inputs 
whose values are subject to frequent change. You can use interactors 
as an easy method for controlling those input values.  #!F-adobe-times-medium-i-normal--18*   Interactors 
#!EF , which appear only in Control Panels, are the interactive 
devices that you use to manipulate inputs to a visual program 
in order to change the image that is produced (see  #!Linterac,dxall409 h Using Interactors  #!EL  
for detailed descriptions). #!N #!N  #!F-adobe-times-medium-i-normal--18*   Interactor stand-ins #!EF are used 
to indicate which input to a module a given interactor is 
to control. While you are building the network in the VPE, 
you select interactor stand-ins from the tool palettes and place them 
on the canvas, as you do with other tools. Like any 
tool, the output of an interactor stand-in can be connected to 
more than one input. Interactor stand-ins are named, in general, after 
the type of data they output: #!N #!I0 #!N #!N #!I0 
#!N  #!F-adobe-times-bold-r-normal--18*   Integer stand-ins #!EF #!I50 #!N Represent interactors that output 
whole numbers. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Scalar stand-ins #!EF #!I50 #!N 
Represent interactors that output real numbers. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   String 
stand-ins #!EF #!I50 #!N Represent interactors that output text strings. #!N 
#!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Value stand-ins #!EF #!I50 #!N Represent interactors that 
output scalars, vectors, and tensors. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Vector stand-ins 
#!EF #!I50 #!N Represent interactors that output vectors. #!N #!I0 #!N 
 #!F-adobe-times-bold-r-normal--18*   Integer list stand-ins #!EF #!I50 #!N Represent interactors that output 
integer lists. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Scalar list stand-ins #!EF #!I50 
#!N Represent interactors that output scalar lists. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   
String list stand-ins #!EF #!I50 #!N Represent interactors that output string 
lists. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Value list stand-ins #!EF #!I50 #!N 
Represent interactors that output value lists (e.g., vector and scalar lists). 
#!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Vector list stand-ins #!EF #!I50 #!N Represent 
interactors that output vector lists. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Selector stand-ins 
#!EF #!I50 #!N Represent interactors that output values and strings, representing 
a choice of one from many. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Selector 
list stand-ins #!EF #!I50 #!N Represent interactors that output values and 
strings, representing a choice of none, one, or more among many. 
#!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   FileSelector stand-ins #!EF #!I50 #!N Represent interactors 
that output both a fully qualified path name and an individual 
file name. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   Reset stand-ins #!EF #!I50 #!N 
Represent interactors that output one value when executed the first time 
after being set and another value thereafter. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*   
Toggle stand-ins #!EF #!I50 #!N Represent interactors that output one of 
two values. #!I0 #!N #!N #!N #!N Data Explorer allows the 
visual programmer to associate comments with each Control Panel. To access 
these comments, use the  #!F-adobe-times-bold-r-normal--18*   On Control Panel #!EF option of 
the  #!F-adobe-times-bold-r-normal--18*   Help #!EF pull-down menu in the Control Panel about 
which you want to learn. If no comments exist for the 
Control Panel, the  #!F-adobe-times-bold-r-normal--18*   On Control Panel #!EF option is grayed 
out. #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N #!N  #!Lcpi,dxall381 h Building Control Panels  #!EL  
#!N  #!F-adobe-times-medium-i-normal--18*   #!N 