Element: ident.is_class( )

Syntax

<ident>.is_class (<class>)

Type

numeric

Returns

Whether or not an identifier is an instance of a particular class. If it is, the value returned by this function is 1, otherwise 0 is returned.

Parameters

• <class>
  The name of a class (structure or system type).

Examples

window w=wgraphic
tell w.is_class(window) ;# Yields 1

See Also