DocReaderAction

DocReaderAction enumeration contains all possible notification codes about reading process:

Constant	Description
Complete	Processing finished, the results were received
Process	Processing didn't finish, intermediate results may be obtained
Cancel	Processing was cancelled, incomplete results may be obtained
Error	An error occurred during processing, incomplete results may be obtained
Notification	Notification from long running task arrived, DocumentReaderNotification available, all other results are null
MorePagesAvailable	Processing completed for a single page