ISINTERFACE Function  

Purpose

Determine whether an object supports a particular interface.

Syntax

IfaceValid = ISINTERFACE(ObjectVar, InterfaceName)

Remarks

The object referenced by the parameter ObjectVar is tested to determine if the specified InterfaceName is supported.  If so, the value true (-1) is returned.  Otherwise, the value false (0) is returned.

See also

CLASS, INTERFACE (Direct), INTERFACE (IDBind), What is an object, anyway?