[F] isVisible
function isVisible(   program,   property,   filter): boolean;Determines if a property is visible according to the given visibility filter.
Parameters
Section titled “Parameters”| Parameter | Type | Description | 
|---|---|---|
| program | Program | the program in which the property occurs | 
| property | ModelProperty | the property to check | 
| filter | VisibilityFilter | the visibility filter to use | 
Returns
Section titled “Returns”boolean
true if the property is visible according to the filter, false otherwise
VisibilityFilter