_com_ptr_t::AddRef
The latest version of this topic can be found at _com_ptr_t::AddRef.
Microsoft Specific**
Calls the AddRef member function of IUnknown on the encapsulated interface pointer.
Syntax
void AddRef( );
Remarks
Calls IUnknown::AddRef on the encapsulated interface pointer, raising an E_POINTER error if the pointer is NULL.
END Microsoft Specific