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Syntax

IS_VIRTUAL( cVar )

Purpose

Determine if a string is a virtual (calculated) field/expression in
the current table.

Arguments

     cVar -- field/expression to validate

Setup

None.

Example

     USE CUSTOMER
     ? IS_VIRTUAL( "Account_No" )      && Returns .F.
     ? IS_VIRTUAL( "Last_Name+First_Name" )    && .T.

Returns

.T. if cVar is a virtual field/expression of the current table, else
.F.

Side Effects

None.

Artful Calls

None.

Source File

ARTFUL.CH

See Also: FIELD_NO() IS_FIELD()

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