Brew MP 1.0.2
This function queries an interface for an alterrnate interface that may provide
extended functionality or a proprietary extension. If successful, the function
will return a pointer to the requested interface in the memory location pointed
to by the 'ppif' parameter. The requested interface is identified by a globally
unique ID passed to the function in the 'id' parameter.
Pointer to the ICanvas interface object.
A globally unique id that identifies the interface to be queried.
Pointer to a pointer returned by the function to reference the
interface requested by the 'id' parameter. If the queried item is not
available, this pointer is returned as NULL.
- Upon successful retrieval of an interface pointer, that interface is returned with
its reference count incremented. The caller is responsible for releasing this object
at some point in the future.