Message.progress

Description:

[ CCode ( has_construct_function = false ) ]
public Message.progress (Object? src, ProgressType type, string code, string text)

Progress messages are posted by elements when they use an asynchronous task to perform actions triggered by a state change.

code contains a well defined string describing the action. text should contain a user visible string detailing the current action.

src	The object originating the message.
type	a ProgressType
code	a progress code
text	free, user visible text describing the progress

The new qos message.