AsyncDone	Constant for a message posted by control when they complete an asynchronous state change.
AsyncStart	Constant for a message posted by control when they start an asynchronous state change.
Buffering	Constant for a buffering message type.
ClockLost	Constant for a clock lost message type.
DurationChanged	Constant for a duration changed message type.
Element	Constant for an element-specific message.
Eos	Constant for end of stream message type.
Error	Constant for an error message type.
Info	Constant for an information message type.
Latency	Constant for a latency message type.
NewClock	Constant for a new clock message type.
Progress	Constant for a progress message type.
Qos	Constant for a quality of service message type.
RequestState	Constant for a request state message type.
SegmentDone	Constant for a segment done message type.
Start	Constant for a stream start message type.
StateAsync	A synonymous for the AsyncDone constant.
StateChanged	Constant for a state changed message.
Status	A synonymous for the StreamStatus constant.
StepDone	Constant for a step done message type.
StepStart	Constant for a step start message type.
StreamStart	Constant for a message indicating the start of a new stream.
StreamStatus	Constant for a stream status message type.
Tag	Constant for a tag message type.
Toc	Constant for a table of contents message type.
Warning	Constant for a warning message type.

Properties

Count	Return the number of key / values pair stored in the message.
Key	Return the key of last enumerated value stored in the message.
Keys	Return an array of the keys of all values stored in the message.
Name	Return the name of the message.
Type	Return the type of the event as a MediaMessage constant.