IUnknown

This interface is supported by all speech objects. IUnknown member functions are also included in all other speech interfaces.

Member function

Description

AddRef

Increments a reference count for every new copy of an interface pointer to a specified interface on a particular object.

QueryInterface

Returns a pointer to a specified interface on a particular object so that an application can query an object to determine what interface it supports.

Release

Decrements the reference count for the specified interface on a particular object.