Agilent Technologies VEE Pro Guía de usuario Pagina 449

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Using Operator Interfaces Chapter 11
VEE User’s Guide 421
Figure 238 Early Stage in the Dice Program
Create a menu to select one of these three functions to call.
8 Select Data Selection Control Radio Buttons.
Radio Buttons is an object that outputs an enumerated
value (the Enum data type: a text string with an ordinal
number associated to it) from a user- defined list on its
upper output pin. For example, if you define the list as
Monday, Tuesday, Wednesday, Thursday, and Friday, the
operator could select the day from a menu, and Radio
Buttons would then output the day.
The first item in the list is assigned the ordinal position
0; the nth item in the list is assigned ordinal position n- 1.
For instance, Monday in the list above has an ordinal
position of 0, and Friday has an ordinal position of 4. The
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