O

object-based representation, hardware

bit-based control, 21–22

memory mapped input/output, 21

ports as object instances, 22–23

object class, 59, 250

object graph, 109

object instances

ports as, 22

and threads, 224–28

object management, 86

object-oriented (OO) method, 244

objects

container, creating, 140

controlling, 39–40

defined, 250

delegates as, 247

devices and, 46

flat, 109

immutable, 247–48

input-port, 40

management of, 86

memory usage, 244

networking, 94

output-port, creating, 38

representative, building, Roomba, 221–24

string, buffering, 243

ODBC (Open Database Connectivity), 93

OEMs. See original equipment manufacturers (OEMs)

OkayToThrowAway, priority level, 72

OnButtonDown, 153, 155

OnButtonUp, 153

OnGpioActivity, 197

OnInterrupt, 44

OnRender, 144–45

opacity settings, Bitmap, 125–26

Open Database Connectivity (ODBC), 93

Open Systems Interconnection Basic Reference Model. See OSI model

OpenNETCF, 14

operating systems, and .NET Micro Framework, 6, 7

organizational unique identifier (OUI), 94

original equipment manufacturers (OEMs), 14–15

OSI model, 89–91

layers of, 91–93

OUI (organizational unique identifier), 94

output, driving, ultimate flashlight device, 38

output-port object, creating, 38

OutputPort class, 22, 38, 39

OutputPort instance, 39

overload, 250

override, 250–51