This class implements a tear-off interface as a separate object that is instantiated only when that interface is queried for. The tear-off is deleted when its reference count becomes zero. Typically, you build a tear-off interface for an interface that is rarely used, since using a tear-off saves a vtable pointer in all the instances of your main object.
At a Glance
| Header file: | Atlcom.h |
| Windows CE versions: | 2.0 and later |
| Complete documentation: | Visual C++ documentation |
Syntax
template< class Base >
class CComTearOffObject : public Base
Parameters
Base is a tear-off class, derived from CComTearOffObjectBase, and the interfaces that the tear-off object supports. It is responsible for handling the reference count and QueryInterface.