GetExpressions()

Returns an array of all expression fields defined in a view.

field_names_array = GetExpressions(string view_name)

Argument	Contents
view_name	The view of interest

An array containing the names of all expression fields in the view.

If view_name is null, GetExpressions() returns information about the current view.
If the input view does not exist or the input view_name is null and there is no current view, GetExpressions() returns null.
If the input view is a joined view, the array returned includes expression fields created on the joined view as well as those created on component views.

// Get all expressions on the State view

exprs = GetExpressions("States")

Function	Summary
CreateExpression()	Creates an expression field on a view
DestroyExpression()	Destroys an expression field
GetExpressionInfo()	Returns information about an expression (formula) field