[This is preliminary documentation and subject to change.]
The Handler uses this event to broadcast install progress information to any subscribing controls. The name is the actual name of the action not SetProgress. In other words, the control has to subscribe to the event by naming the Action whose progress is being indicated.
Handler.
None.
The subscribers are hidden when a new action starts or and they are shown when a new progress data arrives from the engine.
None.
A ProgressBar control on a modeless dialog subscribes to this event using the Progress attribute to receive the progress information.