GetExpressionInfo()

Returns information about an expression (formula) field.

info_array = GetExpressionInfo(string field_spec)

Argument	Contents
field_spec	The name of the expression field

An array of four elements describing the expression field:

Element	Type	Contents
1	String	The data type of the expression field: "string", "integer" or "real"
2	Integer	The display width for the expression field
3	Integer	The number of decimals displayed for the expression field
4	String	The original expression from which this field was created

inf = GetExpressionInfo("Regions.[Change in Sales]")

Error Type	Meaning
Error	The input field is not an expression field
NotFound	The specified field does not exist

Function	Summary
CreateExpression()	Creates an expression field on a view
DestroyExpression()	Destroys an expression field
GetExpressions()	Returns an array of all expression fields of a view