Q

quantum, defined, 508

QueryInterface method (IUnknown), 137, 589, 598, 599–600, 610–611

queue dispatch types, 56, 259, 385–386

device scope and (synchronization), 388–389

queue objects, 56, 98, 130, 147, 253–271

callback objects for, 100

configuration and request types, 254–256

control of, 259–261

creating (KMDF example), 265–267

creating (UMDF example), 261–264

deleting, 116

dispatch types (flow control), 56, 259, 385–386

device scope and (synchronization), 388–389

manual, retrieving requests from, 267–271

in object hierarchy, 112–113

power management for, 171, 196–197, 257–258

queue scope (synchronization), 387, 393–394