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com-object-query-interface

Generic Function
Summary

Called by the built in implementation of query-interface .

Package

com

Signature

com-object-query-interface object iid

Arguments

object

A COM object.

iid

A GUID foreign pointer.

Method
Signatures

com-object-query-interface ( object standard-i-unknown)
( iid t)

Description

The generic function com-object-query-interface is called by the built-in implementation of query-interface for the class standard-i-unknown . The built-in primary method specializing on standard-i-unknown handles the i-unknown interface and all the interfaces specified by the define-com-implementation form for the class of object .

In most cases, there is no need to specialize this generic function for user-defined classes.

This function should not be called directly by user code.

See also

define-com-implementation
standard-i-unknown


LispWorks COM/Automation User Guide and Reference Manual - 21 Feb 2008

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